3902940 has 36 divisors (see below), whose sum is σ = 11839464. Its totient is φ = 1040736.

The previous prime is 3902929. The next prime is 3903001. The reversal of 3902940 is 492093.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10662 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (328874).

Almost surely, 2^3902940 is an apocalyptic number.

3902940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3902940 is an abundant number, since it is smaller than the sum of its proper divisors (7936524).

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

3902940 is a wasteful number, since it uses less digits than its factorization.

3902940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21698 (or 21693 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3902940 is about 1975.5859890169. The cubic root of 3902940 is about 157.4456350539.

The spelling of 3902940 in words is "three million, nine hundred two thousand, nine hundred forty".