3890538 has 16 divisors (see below), whose sum is σ = 8645760. Its totient is φ = 1296828.

The previous prime is 3890527. The next prime is 3890543. The reversal of 3890538 is 8350983.

3890538 is a `hidden beast` number, since 38 + 90 + 538 = 666.

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, 35970 + ... + 36077.

It is an arithmetic number, because the mean of its divisors is an integer number (540360).

Almost surely, 2^3890538 is an apocalyptic number.

3890538 is an abundant number, since it is smaller than the sum of its proper divisors (4755222).

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

3890538 is a wasteful number, since it uses less digits than its factorization.

3890538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72058 (or 72052 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3890538 is about 1972.4446760302. Note that the first 3 decimals coincide. The cubic root of 3890538 is about 157.2786914451.

The spelling of 3890538 in words is "three million, eight hundred ninety thousand, five hundred thirty-eight".