90436995 has 24 divisors (see below), whose sum is σ = 171009072. Its totient is φ = 43848000.

The previous prime is 90436967. The next prime is 90437023. The reversal of 90436995 is 59963409.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90436967) and next prime (90437023).

It is not a de Polignac number, because 90436995 - 2⁵ = 90436963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 90436995.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90856 + ... + 91845.

It is an arithmetic number, because the mean of its divisors is an integer number (7125378).

Almost surely, 2^90436995 is an apocalyptic number.

90436995 is a deficient number, since it is larger than the sum of its proper divisors (80572077).

90436995 is a wasteful number, since it uses less digits than its factorization.

90436995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182723 (or 182720 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 90436995 is about 9509.8367493874. The cubic root of 90436995 is about 448.8646192475.

The spelling of 90436995 in words is "ninety million, four hundred thirty-six thousand, nine hundred ninety-five".