3990893 has 8 divisors (see below), whose sum is σ = 4346400. Its totient is φ = 3649968.

The previous prime is 3990863. The next prime is 3990901. The reversal of 3990893 is 3980993.

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

It is a cyclic number.

It is not a de Polignac number, because 3990893 - 2¹⁶ = 3925357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3990893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 4172.

It is an arithmetic number, because the mean of its divisors is an integer number (543300).

Almost surely, 2^3990893 is an apocalyptic number.

It is an amenable number.

3990893 is a deficient number, since it is larger than the sum of its proper divisors (355507).

3990893 is a wasteful number, since it uses less digits than its factorization.

3990893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 3990893 is about 1997.7219526250. The cubic root of 3990893 is about 158.6195431424.

The spelling of 3990893 in words is "three million, nine hundred ninety thousand, eight hundred ninety-three".