100479489 has 24 divisors (see below), whose sum is σ = 148453536. Its totient is φ = 60403200.

The previous prime is 100479481. The next prime is 100479493. The reversal of 100479489 is 984974001.

It is not a de Polignac number, because 100479489 - 2³ = 100479481 is a prime.

It is a super-2 number, since 2×100479489² = 20192255419402242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100479489.

It is not an unprimeable number, because it can be changed into a prime (100479481) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 46497 + ... + 48609.

It is an arithmetic number, because the mean of its divisors is an integer number (6185564).

Almost surely, 2^100479489 is an apocalyptic number.

It is an amenable number.

100479489 is a deficient number, since it is larger than the sum of its proper divisors (47974047).

100479489 is a wasteful number, since it uses less digits than its factorization.

100479489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 100479489 is about 10023.9457799811. The cubic root of 100479489 is about 464.8995643877.

The spelling of 100479489 in words is "one hundred million, four hundred seventy-nine thousand, four hundred eighty-nine".