38452239 has 40 divisors (see below), whose sum is σ = 66617760. Its totient is φ = 21648384.

The previous prime is 38452237. The next prime is 38452241. The reversal of 38452239 is 93225483.

38452239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38452237) and next prime (38452241).

It is not a de Polignac number, because 38452239 - 2¹ = 38452237 is a prime.

It is a super-2 number, since 2×38452239² = 2957149368226242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38452237) 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 39 ways as a sum of consecutive naturals, for example, 40927 + ... + 41855.

It is an arithmetic number, because the mean of its divisors is an integer number (1665444).

Almost surely, 2^38452239 is an apocalyptic number.

38452239 is a deficient number, since it is larger than the sum of its proper divisors (28165521).

38452239 is an equidigital number, since it uses as much as digits as its factorization.

38452239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1012 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 38452239 is about 6200.9869375770. The cubic root of 38452239 is about 337.5259831848.

It can be divided in two parts, 3845 and 2239, that added together give a square (6084 = 78²).

The spelling of 38452239 in words is "thirty-eight million, four hundred fifty-two thousand, two hundred thirty-nine".