100437489 has 48 divisors (see below), whose sum is σ = 158412800. Its totient is φ = 63510480.

The previous prime is 100437457. The next prime is 100437509. The reversal of 100437489 is 984734001.

It is a happy number.

It is not a de Polignac number, because 100437489 - 2⁵ = 100437457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100437409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504612 + ... + 504810.

Almost surely, 2^100437489 is an apocalyptic number.

It is an amenable number.

100437489 is a deficient number, since it is larger than the sum of its proper divisors (57975311).

100437489 is an equidigital number, since it uses as much as digits as its factorization.

100437489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 100437489 is about 10021.8505776129. The cubic root of 100437489 is about 464.8347800120.

The spelling of 100437489 in words is "one hundred million, four hundred thirty-seven thousand, four hundred eighty-nine".