3892990 has 8 divisors (see below), whose sum is σ = 7007400. Its totient is φ = 1557192.

The previous prime is 3892979. The next prime is 3893023. The reversal of 3892990 is 992983.

It is a happy number.

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

It is a super-2 number, since 2×3892990² = 30310742280200, which contains 22 as substring.

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, 194640 + ... + 194659.

It is an arithmetic number, because the mean of its divisors is an integer number (875925).

Almost surely, 2^3892990 is an apocalyptic number.

3892990 is a deficient number, since it is larger than the sum of its proper divisors (3114410).

3892990 is a wasteful number, since it uses less digits than its factorization.

3892990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389306.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 3892990 is about 1973.0661418209. The cubic root of 3892990 is about 157.3117259819.

The spelling of 3892990 in words is "three million, eight hundred ninety-two thousand, nine hundred ninety".