104990642 has 8 divisors (see below), whose sum is σ = 157666176. Its totient is φ = 52435252.

The previous prime is 104990617. The next prime is 104990651. The reversal of 104990642 is 246099401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×104990642² = 22046069815144328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27818 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (19708272).

Almost surely, 2^104990642 is an apocalyptic number.

104990642 is a deficient number, since it is larger than the sum of its proper divisors (52675534).

104990642 is an equidigital number, since it uses as much as digits as its factorization.

104990642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60072.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 104990642 is about 10246.4941321410. The cubic root of 104990642 is about 471.7553823199.

The spelling of 104990642 in words is "one hundred four million, nine hundred ninety thousand, six hundred forty-two".