100438967 has 4 divisors (see below), whose sum is σ = 100613616. Its totient is φ = 100264320.

The previous prime is 100438957. The next prime is 100438969. The reversal of 100438967 is 769834001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100438967 - 2⁸ = 100438711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100438967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100438969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86459 + ... + 87612.

It is an arithmetic number, because the mean of its divisors is an integer number (25153404).

Almost surely, 2^100438967 is an apocalyptic number.

100438967 is a deficient number, since it is larger than the sum of its proper divisors (174649).

100438967 is an equidigital number, since it uses as much as digits as its factorization.

100438967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174648.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 100438967 is about 10021.9243162179. The cubic root of 100438967 is about 464.8370601116.

The spelling of 100438967 in words is "one hundred million, four hundred thirty-eight thousand, nine hundred sixty-seven".