3751985 has 16 divisors (see below), whose sum is σ = 4900176. Its totient is φ = 2746368.

The previous prime is 3751919. The next prime is 3752009. The reversal of 3751985 is 5891573.

It can be written as a sum of positive squares in 8 ways, for example, as 351649 + 3400336 = 593^2 + 1844^2 .

It is a cyclic number.

It is not a de Polignac number, because 3751985 - 2⁸ = 3751729 is a prime.

It is a Duffinian number.

It is a Curzon 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, 2549 + ... + 3741.

It is an arithmetic number, because the mean of its divisors is an integer number (306261).

Almost surely, 2^3751985 is an apocalyptic number.

It is an amenable number.

3751985 is a deficient number, since it is larger than the sum of its proper divisors (1148191).

3751985 is a wasteful number, since it uses less digits than its factorization.

3751985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its digits is 37800, while the sum is 38.

The square root of 3751985 is about 1937.0041300937. The cubic root of 3751985 is about 155.3890331580.

The spelling of 3751985 in words is "three million, seven hundred fifty-one thousand, nine hundred eighty-five".