90433405 has 16 divisors (see below), whose sum is σ = 111248640. Its totient is φ = 70539712.

The previous prime is 90433403. The next prime is 90433411. The reversal of 90433405 is 50433409.

It is a cyclic number.

It is not a de Polignac number, because 90433405 - 2¹ = 90433403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90433403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80991 + ... + 82099.

It is an arithmetic number, because the mean of its divisors is an integer number (6953040).

Almost surely, 2^90433405 is an apocalyptic number.

It is an amenable number.

90433405 is a deficient number, since it is larger than the sum of its proper divisors (20815235).

90433405 is a wasteful number, since it uses less digits than its factorization.

90433405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 90433405 is about 9509.6479955885. The cubic root of 90433405 is about 448.8586797707.

The spelling of 90433405 in words is "ninety million, four hundred thirty-three thousand, four hundred five".