104947440 has 80 divisors (see below), whose sum is σ = 350373408. Its totient is φ = 25832448.

The previous prime is 104947357. The next prime is 104947457. The reversal of 104947440 is 44749401.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×104947440² = 22027930325107200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13699 + ... + 19938.

Almost surely, 2^104947440 is an apocalyptic number.

104947440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104947440 is an abundant number, since it is smaller than the sum of its proper divisors (245425968).

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

104947440 is a wasteful number, since it uses less digits than its factorization.

104947440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33666 (or 33660 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 104947440 is about 10244.3857795380. The cubic root of 104947440 is about 471.6906667995.

The spelling of 104947440 in words is "one hundred four million, nine hundred forty-seven thousand, four hundred forty".