3724285 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 2794176.

The previous prime is 3724277. The next prime is 3724289. The reversal of 3724285 is 5824273.

It is a cyclic number.

It is not a de Polignac number, because 3724285 - 2³ = 3724277 is a prime.

It is a super-2 number, since 2×3724285² = 27740597522450, which contains 22 as substring.

It is an Ulam number.

Its product of digits (13440) is a multiple of the sum of its prime divisors (420).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18616 + ... + 18814.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 2^3724285 is an apocalyptic number.

It is an amenable number.

3724285 is a deficient number, since it is larger than the sum of its proper divisors (1027715).

3724285 is a wasteful number, since it uses less digits than its factorization.

3724285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its digits is 13440, while the sum is 31.

The square root of 3724285 is about 1929.8406669982. The cubic root of 3724285 is about 155.0056883101.

The spelling of 3724285 in words is "three million, seven hundred twenty-four thousand, two hundred eighty-five".