104979986 has 8 divisors (see below), whose sum is σ = 159627324. Its totient is φ = 51770880.

The previous prime is 104979943. The next prime is 104979991. The reversal of 104979986 is 689979401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101103025 + 3876961 = 10055^2 + 1969^2 .

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

It is a super-2 number, since 2×104979986² = 22041594921120392, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359375 + ... + 359666.

Almost surely, 2^104979986 is an apocalyptic number.

104979986 is a deficient number, since it is larger than the sum of its proper divisors (54647338).

104979986 is an equidigital number, since it uses as much as digits as its factorization.

104979986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719116.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 104979986 is about 10245.9741362156. The cubic root of 104979986 is about 471.7394215469.

The spelling of 104979986 in words is "one hundred four million, nine hundred seventy-nine thousand, nine hundred eighty-six".