3478140 has 120 divisors (see below), whose sum is σ = 11586960. Its totient is φ = 870912.

The previous prime is 3478127. The next prime is 3478147. The reversal of 3478140 is 418743.

3478140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30724 + ... + 30836.

It is an arithmetic number, because the mean of its divisors is an integer number (96558).

Almost surely, 2^3478140 is an apocalyptic number.

3478140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5793480).

3478140 is an abundant number, since it is smaller than the sum of its proper divisors (8108820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3478140 is a wasteful number, since it uses less digits than its factorization.

3478140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 3478140 is about 1864.9772116570. The cubic root of 3478140 is about 151.5126937702.

The spelling of 3478140 in words is "three million, four hundred seventy-eight thousand, one hundred forty".