88238939 has 2 divisors, whose sum is σ = 88238940. Its totient is φ = 88238938.

The previous prime is 88238923. The next prime is 88238947. The reversal of 88238939 is 93983288.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88238939 - 2⁴ = 88238923 is a prime.

It is a super-2 number, since 2×88238939² = 15572220711691442, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (88238999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44119469 + 44119470.

It is an arithmetic number, because the mean of its divisors is an integer number (44119470).

Almost surely, 2^88238939 is an apocalyptic number.

88238939 is a deficient number, since it is larger than the sum of its proper divisors (1).

88238939 is an equidigital number, since it uses as much as digits as its factorization.

88238939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 50.

The square root of 88238939 is about 9393.5583779524. The cubic root of 88238939 is about 445.1982267137.

The spelling of 88238939 in words is "eighty-eight million, two hundred thirty-eight thousand, nine hundred thirty-nine".