38299231 has 16 divisors (see below), whose sum is σ = 41718240. Its totient is φ = 35043840.

The previous prime is 38299223. The next prime is 38299237. The reversal of 38299231 is 13299283.

38299231 = 2524² + 2525² + ... + 2529².

38299231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 38299231 - 2³ = 38299223 is a prime.

It is a super-2 number, since 2×38299231² = 2933662190382722, 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 (38299237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73251 + ... + 73771.

It is an arithmetic number, because the mean of its divisors is an integer number (2607390).

Almost surely, 2^38299231 is an apocalyptic number.

38299231 is a deficient number, since it is larger than the sum of its proper divisors (3419009).

38299231 is a wasteful number, since it uses less digits than its factorization.

38299231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666.

The product of its digits is 23328, while the sum is 37.

The square root of 38299231 is about 6188.6372490234. The cubic root of 38299231 is about 337.0776969546.

The spelling of 38299231 in words is "thirty-eight million, two hundred ninety-nine thousand, two hundred thirty-one".