90233234 has 16 divisors (see below), whose sum is σ = 166584768. Its totient is φ = 35696592.

The previous prime is 90233233. The next prime is 90233237. The reversal of 90233234 is 43233209.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (90233233) 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, 247712 + ... + 248075.

It is an arithmetic number, because the mean of its divisors is an integer number (10411548).

Almost surely, 2^90233234 is an apocalyptic number.

90233234 is a deficient number, since it is larger than the sum of its proper divisors (76351534).

90233234 is a wasteful number, since it uses less digits than its factorization.

90233234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495809.

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

The square root of 90233234 is about 9499.1175379611. The cubic root of 90233234 is about 448.5272577534.

The spelling of 90233234 in words is "ninety million, two hundred thirty-three thousand, two hundred thirty-four".