3904250 has 64 divisors (see below), whose sum is σ = 8805888. Its totient is φ = 1267200.

The previous prime is 3904249. The next prime is 3904261. The reversal of 3904250 is 524093.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40202 + ... + 40298.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

Almost surely, 2^3904250 is an apocalyptic number.

3904250 is an abundant number, since it is smaller than the sum of its proper divisors (4901638).

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

3904250 is a wasteful number, since it uses less digits than its factorization.

3904250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3904250 is about 1975.9175083996. The cubic root of 3904250 is about 157.4632483326.

The spelling of 3904250 in words is "three million, nine hundred four thousand, two hundred fifty".