38745685 has 32 divisors (see below), whose sum is σ = 53602560. Its totient is φ = 26611200.

The previous prime is 38745661. The next prime is 38745727. The reversal of 38745685 is 58654783.

It is not a de Polignac number, because 38745685 - 2¹¹ = 38743637 is a prime.

It is a super-3 number, since 3×38745685³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137745 + ... + 138025.

It is an arithmetic number, because the mean of its divisors is an integer number (1675080).

Almost surely, 2^38745685 is an apocalyptic number.

It is an amenable number.

38745685 is a deficient number, since it is larger than the sum of its proper divisors (14856875).

38745685 is a wasteful number, since it uses less digits than its factorization.

38745685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its digits is 806400, while the sum is 46.

The square root of 38745685 is about 6224.6032002048. The cubic root of 38745685 is about 338.3824114999.

It can be divided in two parts, 3874 and 5685, that added together give a palindrome (9559).

The spelling of 38745685 in words is "thirty-eight million, seven hundred forty-five thousand, six hundred eighty-five".