104646864 has 80 divisors (see below), whose sum is σ = 316186112. Its totient is φ = 29199744.

The previous prime is 104646859. The next prime is 104646869. The reversal of 104646864 is 468646401.

It is an interprime number because it is at equal distance from previous prime (104646859) and next prime (104646869).

It is a super-2 number, since 2×104646864² = 21901932290068992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104646869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10827 + ... + 18069.

Almost surely, 2^104646864 is an apocalyptic number.

104646864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104646864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158093056).

104646864 is an abundant number, since it is smaller than the sum of its proper divisors (211539248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104646864 is a wasteful number, since it uses less digits than its factorization.

104646864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304 (or 7298 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 104646864 is about 10229.7049810833. The cubic root of 104646864 is about 471.2399190596.

The spelling of 104646864 in words is "one hundred four million, six hundred forty-six thousand, eight hundred sixty-four".