386725775 has 48 divisors (see below), whose sum is σ = 530323200. Its totient is φ = 278476800.

The previous prime is 386725763. The next prime is 386725799. The reversal of 386725775 is 577527683.

It is a happy number.

It is not a de Polignac number, because 386725775 - 2¹² = 386721679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1962977 + ... + 1963173.

It is an arithmetic number, because the mean of its divisors is an integer number (11048400).

Almost surely, 2^386725775 is an apocalyptic number.

386725775 is a deficient number, since it is larger than the sum of its proper divisors (143597425).

386725775 is a wasteful number, since it uses less digits than its factorization.

386725775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 399 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 50.

The square root of 386725775 is about 19665.3445177042. The cubic root of 386725775 is about 728.5639969675.

The spelling of 386725775 in words is "three hundred eighty-six million, seven hundred twenty-five thousand, seven hundred seventy-five".