90440333 has 4 divisors (see below), whose sum is σ = 91973280. Its totient is φ = 88907388.

The previous prime is 90440269. The next prime is 90440377. The reversal of 90440333 is 33304409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33304409 = 151 ⋅220559.

It is a cyclic number.

It is not a de Polignac number, because 90440333 - 2⁶ = 90440269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90440033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766385 + ... + 766502.

It is an arithmetic number, because the mean of its divisors is an integer number (22993320).

Almost surely, 2^90440333 is an apocalyptic number.

It is an amenable number.

90440333 is a deficient number, since it is larger than the sum of its proper divisors (1532947).

90440333 is a wasteful number, since it uses less digits than its factorization.

90440333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532946.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 90440333 is about 9510.0122502550. The cubic root of 90440333 is about 448.8701416618.

The spelling of 90440333 in words is "ninety million, four hundred forty thousand, three hundred thirty-three".