104891428 has 12 divisors (see below), whose sum is σ = 194357772. Its totient is φ = 49360640.

The previous prime is 104891401. The next prime is 104891441. The reversal of 104891428 is 824198401.

It can be written as a sum of positive squares in 2 ways, for example, as 47858724 + 57032704 = 6918^2 + 7552^2 .

It is a super-2 number, since 2×104891428² = 22004423335758368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771193 + ... + 771328.

It is an arithmetic number, because the mean of its divisors is an integer number (16196481).

Almost surely, 2^104891428 is an apocalyptic number.

It is an amenable number.

104891428 is a deficient number, since it is larger than the sum of its proper divisors (89466344).

104891428 is a wasteful number, since it uses less digits than its factorization.

104891428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542542 (or 1542540 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 104891428 is about 10241.6516246160. The cubic root of 104891428 is about 471.6067357723.

The spelling of 104891428 in words is "one hundred four million, eight hundred ninety-one thousand, four hundred twenty-eight".