90465193 has 12 divisors (see below), whose sum is σ = 111955008. Its totient is φ = 71575920.

The previous prime is 90465131. The next prime is 90465197. The reversal of 90465193 is 39156409.

It is a de Polignac number, because none of the positive numbers 2^k-90465193 is a prime.

It is a super-2 number, since 2×90465193² = 16367902289054498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90465197) 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 11 ways as a sum of consecutive naturals, for example, 37053 + ... + 39418.

It is an arithmetic number, because the mean of its divisors is an integer number (9329584).

Almost surely, 2^90465193 is an apocalyptic number.

It is an amenable number.

90465193 is a deficient number, since it is larger than the sum of its proper divisors (21489815).

90465193 is a wasteful number, since it uses less digits than its factorization.

90465193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76504 (or 76491 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90465193 is about 9511.3192039801. The cubic root of 90465193 is about 448.9112659739.

The spelling of 90465193 in words is "ninety million, four hundred sixty-five thousand, one hundred ninety-three".