38666324 has 12 divisors (see below), whose sum is σ = 67829748. Its totient is φ = 19286400.

The previous prime is 38666267. The next prime is 38666359. The reversal of 38666324 is 42366683.

It can be written as a sum of positive squares in 2 ways, for example, as 9721924 + 28944400 = 3118^2 + 5380^2 .

It is a super-2 number, since 2×38666324² = 2990169223345952, which contains 22 as substring.

It is a congruent number.

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, 9797 + ... + 13164.

It is an arithmetic number, because the mean of its divisors is an integer number (5652479).

Almost surely, 2^38666324 is an apocalyptic number.

It is an amenable number.

38666324 is a deficient number, since it is larger than the sum of its proper divisors (29163424).

38666324 is a wasteful number, since it uses less digits than its factorization.

38666324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23386 (or 23384 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 38666324 is about 6218.2251487060. The cubic root of 38666324 is about 338.1512225533.

The spelling of 38666324 in words is "thirty-eight million, six hundred sixty-six thousand, three hundred twenty-four".