3985704 has 48 divisors (see below), whose sum is σ = 10888020. Its totient is φ = 1317120.

The previous prime is 3985697. The next prime is 3985711. The reversal of 3985704 is 4075893.

It is an interprime number because it is at equal distance from previous prime (3985697) and next prime (3985711).

It can be written as a sum of positive squares in 2 ways, for example, as 3348900 + 636804 = 1830^2 + 798^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14044 + ... + 14324.

Almost surely, 2^3985704 is an apocalyptic number.

It is an amenable number.

3985704 is an abundant number, since it is smaller than the sum of its proper divisors (6902316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3985704 is a wasteful number, since it uses less digits than its factorization.

3985704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 3985704 is about 1996.4228009117. The cubic root of 3985704 is about 158.5507670739.

The spelling of 3985704 in words is "three million, nine hundred eighty-five thousand, seven hundred four".