90397433 has 8 divisors (see below), whose sum is σ = 104727168. Its totient is φ = 76421664.

The previous prime is 90397397. The next prime is 90397453. The reversal of 90397433 is 33479309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90397433 - 2⁶ = 90397369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90397453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87941 + ... + 88962.

It is an arithmetic number, because the mean of its divisors is an integer number (13090896).

Almost surely, 2^90397433 is an apocalyptic number.

It is an amenable number.

90397433 is a deficient number, since it is larger than the sum of its proper divisors (14329735).

90397433 is a wasteful number, since it uses less digits than its factorization.

90397433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176983.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 90397433 is about 9507.7564651184. The cubic root of 90397433 is about 448.7991572017.

The spelling of 90397433 in words is "ninety million, three hundred ninety-seven thousand, four hundred thirty-three".