90326319 has 4 divisors (see below), whose sum is σ = 120435096. Its totient is φ = 60217544.

The previous prime is 90326317. The next prime is 90326377. The reversal of 90326319 is 91362309.

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 90326319 - 2¹ = 90326317 is a prime.

It is a super-2 number, since 2×90326319² = 16317687808179522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90326319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90326317) by changing a digit.

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, 15054384 + ... + 15054389.

It is an arithmetic number, because the mean of its divisors is an integer number (30108774).

Almost surely, 2^90326319 is an apocalyptic number.

90326319 is a deficient number, since it is larger than the sum of its proper divisors (30108777).

90326319 is a wasteful number, since it uses less digits than its factorization.

90326319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30108776.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 90326319 is about 9504.0159406432. The cubic root of 90326319 is about 448.6814389764.

It can be divided in two parts, 9032 and 6319, that added together give a palindrome (15351).

The spelling of 90326319 in words is "ninety million, three hundred twenty-six thousand, three hundred nineteen".