3731985 has 24 divisors (see below), whose sum is σ = 6514560. Its totient is φ = 1976352.

The previous prime is 3731983. The next prime is 3731989. The reversal of 3731985 is 5891373.

It is not a de Polignac number, because 3731985 - 2¹ = 3731983 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10582 + ... + 10928.

It is an arithmetic number, because the mean of its divisors is an integer number (271440).

Almost surely, 2^3731985 is an apocalyptic number.

It is an amenable number.

3731985 is a deficient number, since it is larger than the sum of its proper divisors (2782575).

3731985 is a wasteful number, since it uses less digits than its factorization.

3731985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 594 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3731985 is about 1931.8346202509. The cubic root of 3731985 is about 155.1124400928.

The spelling of 3731985 in words is "three million, seven hundred thirty-one thousand, nine hundred eighty-five".