3494140 has 48 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 1267200.

The previous prime is 3494107. The next prime is 3494149. The reversal of 3494140 is 414943.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23065 + ... + 23215.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

Almost surely, 2^3494140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3494140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920).

3494140 is an abundant number, since it is smaller than the sum of its proper divisors (4549700).

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

3494140 is a wasteful number, since it uses less digits than its factorization.

3494140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3494140 is about 1869.2618864140. The cubic root of 3494140 is about 151.7446659671.

It can be divided in two parts, 349 and 4140, that added together give a square (4489 = 67²).

The spelling of 3494140 in words is "three million, four hundred ninety-four thousand, one hundred forty".