3890808 has 32 divisors (see below), whose sum is σ = 10808400. Its totient is φ = 1296864.

The previous prime is 3890771. The next prime is 3890819. The reversal of 3890808 is 8080983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8791 + ... + 9222.

Almost surely, 2^3890808 is an apocalyptic number.

It is an amenable number.

3890808 is an abundant number, since it is smaller than the sum of its proper divisors (6917592).

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

3890808 is a wasteful number, since it uses less digits than its factorization.

3890808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18028 (or 18018 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 3890808 is about 1972.5131178271. The cubic root of 3890808 is about 157.2823296964.

The spelling of 3890808 in words is "three million, eight hundred ninety thousand, eight hundred eight".