3859720 has 16 divisors (see below), whose sum is σ = 8684460. Its totient is φ = 1543872.

The previous prime is 3859693. The next prime is 3859759. The reversal of 3859720 is 279583.

It can be written as a sum of positive squares in 2 ways, for example, as 3587236 + 272484 = 1894^2 + 522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48207 + ... + 48286.

Almost surely, 2^3859720 is an apocalyptic number.

It is an amenable number.

3859720 is an abundant number, since it is smaller than the sum of its proper divisors (4824740).

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

3859720 is a wasteful number, since it uses less digits than its factorization.

3859720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96504 (or 96500 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 3859720 is about 1964.6170110228. The cubic root of 3859720 is about 156.8623077725.

The spelling of 3859720 in words is "three million, eight hundred fifty-nine thousand, seven hundred twenty".