90213595 has 4 divisors (see below), whose sum is σ = 108256320. Its totient is φ = 72170872.

The previous prime is 90213583. The next prime is 90213601. The reversal of 90213595 is 59531209.

It is a happy number.

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 90213595 - 2¹⁹ = 89689307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90213595.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9021355 + ... + 9021364.

It is an arithmetic number, because the mean of its divisors is an integer number (27064080).

Almost surely, 2^90213595 is an apocalyptic number.

90213595 is a deficient number, since it is larger than the sum of its proper divisors (18042725).

90213595 is a wasteful number, since it uses less digits than its factorization.

90213595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18042724.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 90213595 is about 9498.0837541054. The cubic root of 90213595 is about 448.4947151762.

The spelling of 90213595 in words is "ninety million, two hundred thirteen thousand, five hundred ninety-five".