100304239 has 4 divisors (see below), whose sum is σ = 114633424. Its totient is φ = 85975056.

The previous prime is 100304213. The next prime is 100304279. The reversal of 100304239 is 932403001.

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 100304239 - 2⁹ = 100303727 is a prime.

It is a super-2 number, since 2×100304239² = 20121880722738242, 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 (100304209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7164582 + ... + 7164595.

It is an arithmetic number, because the mean of its divisors is an integer number (28658356).

Almost surely, 2^100304239 is an apocalyptic number.

100304239 is a deficient number, since it is larger than the sum of its proper divisors (14329185).

100304239 is an equidigital number, since it uses as much as digits as its factorization.

100304239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14329184.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 100304239 is about 10015.2003973960. The cubic root of 100304239 is about 464.6291242462.

It can be divided in two parts, 100 and 304239, that multiplied together give a triangular number (30423900 = T₇₈₀₀).

The spelling of 100304239 in words is "one hundred million, three hundred four thousand, two hundred thirty-nine".