3400140 has 48 divisors (see below), whose sum is σ = 9686880. Its totient is φ = 890880.

The previous prime is 3400127. The next prime is 3400157. The reversal of 3400140 is 410043.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3196 + ... + 4124.

It is an arithmetic number, because the mean of its divisors is an integer number (201810).

Almost surely, 2^3400140 is an apocalyptic number.

3400140 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 3400140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843440).

3400140 is an abundant number, since it is smaller than the sum of its proper divisors (6286740).

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

3400140 is a wasteful number, since it uses less digits than its factorization.

3400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3400140 is about 1843.9468538979. The cubic root of 3400140 is about 150.3715234867.

Adding to 3400140 its reverse (410043), we get a palindrome (3810183).

The spelling of 3400140 in words is "three million, four hundred thousand, one hundred forty".