38996231 has 4 divisors (see below), whose sum is σ = 39398352. Its totient is φ = 38594112.

The previous prime is 38996219. The next prime is 38996281. The reversal of 38996231 is 13269983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38996231 - 2¹⁰ = 38995207 is a prime.

It is a super-2 number, since 2×38996231² = 3041412064410722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38996281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200915 + ... + 201108.

It is an arithmetic number, because the mean of its divisors is an integer number (9849588).

Almost surely, 2^38996231 is an apocalyptic number.

38996231 is a deficient number, since it is larger than the sum of its proper divisors (402121).

38996231 is an equidigital number, since it uses as much as digits as its factorization.

38996231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402120.

The product of its digits is 69984, while the sum is 41.

The square root of 38996231 is about 6244.6962296016. The cubic root of 38996231 is about 339.1102196111.

The spelling of 38996231 in words is "thirty-eight million, nine hundred ninety-six thousand, two hundred thirty-one".