3495640 has 32 divisors (see below), whose sum is σ = 7918560. Its totient is φ = 1388800.

The previous prime is 3495623. The next prime is 3495643. The reversal of 3495640 is 465943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11085 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (247455).

Almost surely, 2^3495640 is an apocalyptic number.

It is an amenable number.

3495640 is an abundant number, since it is smaller than the sum of its proper divisors (4422920).

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

3495640 is a wasteful number, since it uses less digits than its factorization.

3495640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3495640 is about 1869.6630712511. The cubic root of 3495640 is about 151.7663770258.

The spelling of 3495640 in words is "three million, four hundred ninety-five thousand, six hundred forty".