38507231 has 8 divisors (see below), whose sum is σ = 45032064. Its totient is φ = 32238360.

The previous prime is 38507219. The next prime is 38507251. The reversal of 38507231 is 13270583.

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

It is not a de Polignac number, because 38507231 - 2¹⁴ = 38490847 is a prime.

It is a super-2 number, since 2×38507231² = 2965613678574722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38507194 and 38507203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38507201) 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, 63665 + ... + 64266.

It is an arithmetic number, because the mean of its divisors is an integer number (5629008).

Almost surely, 2^38507231 is an apocalyptic number.

38507231 is a deficient number, since it is larger than the sum of its proper divisors (6524833).

38507231 is a wasteful number, since it uses less digits than its factorization.

38507231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127981.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 38507231 is about 6205.4194862233. The cubic root of 38507231 is about 337.6868094288.

The spelling of 38507231 in words is "thirty-eight million, five hundred seven thousand, two hundred thirty-one".