3993285 has 16 divisors (see below), whose sum is σ = 6511104. Its totient is φ = 2089152.

The previous prime is 3993263. The next prime is 3993313. The reversal of 3993285 is 5823993.

It is not a de Polignac number, because 3993285 - 2⁶ = 3993221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1717 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (406944).

Almost surely, 2^3993285 is an apocalyptic number.

It is an amenable number.

3993285 is a deficient number, since it is larger than the sum of its proper divisors (2517819).

3993285 is a wasteful number, since it uses less digits than its factorization.

3993285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084.

The product of its digits is 58320, while the sum is 39.

The square root of 3993285 is about 1998.3205448576. The cubic root of 3993285 is about 158.6512271264.

It can be divided in two parts, 3993 and 285, that added together give a triangular number (4278 = T₉₂).

The spelling of 3993285 in words is "three million, nine hundred ninety-three thousand, two hundred eighty-five".