38641672 has 16 divisors (see below), whose sum is σ = 72984060. Its totient is φ = 19179264.

The previous prime is 38641667. The next prime is 38641693. The reversal of 38641672 is 27614683.

It can be written as a sum of positive squares in 2 ways, for example, as 35593156 + 3048516 = 5966^2 + 1746^2 .

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, 16533 + ... + 18724.

Almost surely, 2^38641672 is an apocalyptic number.

It is an amenable number.

38641672 is a deficient number, since it is larger than the sum of its proper divisors (34342388).

38641672 is a wasteful number, since it uses less digits than its factorization.

38641672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35400 (or 35396 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 38641672 is about 6216.2425950087. The cubic root of 38641672 is about 338.0793436736.

The spelling of 38641672 in words is "thirty-eight million, six hundred forty-one thousand, six hundred seventy-two".