100362989 has 4 divisors (see below), whose sum is σ = 102697056. Its totient is φ = 98028924.

The previous prime is 100362967. The next prime is 100363033. The reversal of 100362989 is 989263001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989263001 = 149 ⋅6639349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100362989 is a prime.

It is a super-2 number, since 2×100362989² = 20145459122028242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100362919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166969 + ... + 1167054.

It is an arithmetic number, because the mean of its divisors is an integer number (25674264).

Almost surely, 2^100362989 is an apocalyptic number.

It is an amenable number.

100362989 is a deficient number, since it is larger than the sum of its proper divisors (2334067).

100362989 is an equidigital number, since it uses as much as digits as its factorization.

100362989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334066.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 100362989 is about 10018.1330096980. The cubic root of 100362989 is about 464.7198204242.

The spelling of 100362989 in words is "one hundred million, three hundred sixty-two thousand, nine hundred eighty-nine".