3897902 has 8 divisors (see below), whose sum is σ = 6101136. Its totient is φ = 1864192.

The previous prime is 3897899. The next prime is 3897937. The reversal of 3897902 is 2097983.

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, 42323 + ... + 42414.

It is an arithmetic number, because the mean of its divisors is an integer number (762642).

Almost surely, 2^3897902 is an apocalyptic number.

3897902 is a deficient number, since it is larger than the sum of its proper divisors (2203234).

3897902 is a wasteful number, since it uses less digits than its factorization.

3897902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84762.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3897902 is about 1974.3105125588. The cubic root of 3897902 is about 157.3778611319.

The spelling of 3897902 in words is "three million, eight hundred ninety-seven thousand, nine hundred two".