38666492 has 6 divisors (see below), whose sum is σ = 67666368. Its totient is φ = 19333244.

The previous prime is 38666479. The next prime is 38666513. The reversal of 38666492 is 29466683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833308 + ... + 4833315.

It is an arithmetic number, because the mean of its divisors is an integer number (11277728).

Almost surely, 2^38666492 is an apocalyptic number.

It is an amenable number.

38666492 is a deficient number, since it is larger than the sum of its proper divisors (28999876).

38666492 is a wasteful number, since it uses less digits than its factorization.

38666492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666627 (or 9666625 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 38666492 is about 6218.2386573691. The cubic root of 38666492 is about 338.1517122931.

The spelling of 38666492 in words is "thirty-eight million, six hundred sixty-six thousand, four hundred ninety-two".