38660331 has 8 divisors (see below), whose sum is σ = 51686800. Its totient is φ = 25703712.

The previous prime is 38660299. The next prime is 38660341. The reversal of 38660331 is 13306683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38660331 - 2⁵ = 38660299 is a prime.

It is a super-2 number, since 2×38660331² = 2989242386059122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38660341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16156 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (6460850).

Almost surely, 2^38660331 is an apocalyptic number.

38660331 is a deficient number, since it is larger than the sum of its proper divisors (13026469).

38660331 is a wasteful number, since it uses less digits than its factorization.

38660331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34925.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 38660331 is about 6217.7432401153. The cubic root of 38660331 is about 338.1337513210.

The spelling of 38660331 in words is "thirty-eight million, six hundred sixty thousand, three hundred thirty-one".