386824725 has 72 divisors (see below), whose sum is σ = 795038400. Its totient is φ = 176117760.

The previous prime is 386824699. The next prime is 386824733. The reversal of 386824725 is 527428683.

386824725 is a `hidden beast` number, since 386 + 8 + 247 + 25 = 666.

It is not a de Polignac number, because 386824725 - 2⁶ = 386824661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 706902 + ... + 707448.

It is an arithmetic number, because the mean of its divisors is an integer number (11042200).

Almost surely, 2^386824725 is an apocalyptic number.

386824725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

386824725 is an abundant number, since it is smaller than the sum of its proper divisors (408213675).

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

386824725 is a wasteful number, since it uses less digits than its factorization.

386824725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1011 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 386824725 is about 19667.8602038961. The cubic root of 386824725 is about 728.6261299348.

The spelling of 386824725 in words is "three hundred eighty-six million, eight hundred twenty-four thousand, seven hundred twenty-five".