3993290 has 16 divisors (see below), whose sum is σ = 8214912. Its totient is φ = 1369104.

The previous prime is 3993263. The next prime is 3993313. The reversal of 3993290 is 923993.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3993290.

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, 28454 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (513432).

Almost surely, 2^3993290 is an apocalyptic number.

3993290 is an abundant number, since it is smaller than the sum of its proper divisors (4221622).

3993290 is a wasteful number, since it uses less digits than its factorization.

3993290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57061.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 3993290 is about 1998.3217959078. The cubic root of 3993290 is about 158.6512933422.

The spelling of 3993290 in words is "three million, nine hundred ninety-three thousand, two hundred ninety".