104939247 has 32 divisors (see below), whose sum is σ = 165904384. Its totient is φ = 57736800.

The previous prime is 104939243. The next prime is 104939257. The reversal of 104939247 is 742939401.

It is not a de Polignac number, because 104939247 - 2² = 104939243 is a prime.

It is a super-2 number, since 2×104939247² = 22024491121854018, 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 (104939243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215238 + ... + 215724.

It is an arithmetic number, because the mean of its divisors is an integer number (5184512).

Almost surely, 2^104939247 is an apocalyptic number.

104939247 is a deficient number, since it is larger than the sum of its proper divisors (60965137).

104939247 is a wasteful number, since it uses less digits than its factorization.

104939247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 104939247 is about 10243.9858941722. The cubic root of 104939247 is about 471.6783918861.

The spelling of 104939247 in words is "one hundred four million, nine hundred thirty-nine thousand, two hundred forty-seven".