3890902 has 8 divisors (see below), whose sum is σ = 5902200. Its totient is φ = 1923504.

The previous prime is 3890879. The next prime is 3890927. The reversal of 3890902 is 2090983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10752 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (737775).

Almost surely, 2^3890902 is an apocalyptic number.

3890902 is a deficient number, since it is larger than the sum of its proper divisors (2011298).

3890902 is a wasteful number, since it uses less digits than its factorization.

3890902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21950.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 3890902 is about 1972.5369451546. The cubic root of 3890902 is about 157.2835963073.

The spelling of 3890902 in words is "three million, eight hundred ninety thousand, nine hundred two".