90233862 has 32 divisors (see below), whose sum is σ = 183399552. Its totient is φ = 29593344.

The previous prime is 90233837. The next prime is 90233863. The reversal of 90233862 is 26833209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90233863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131773 + ... + 132455.

It is an arithmetic number, because the mean of its divisors is an integer number (5731236).

Almost surely, 2^90233862 is an apocalyptic number.

90233862 is an abundant number, since it is smaller than the sum of its proper divisors (93165690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90233862 is a wasteful number, since it uses less digits than its factorization.

90233862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 90233862 is about 9499.1505936057. The cubic root of 90233862 is about 448.5282982956.

The spelling of 90233862 in words is "ninety million, two hundred thirty-three thousand, eight hundred sixty-two".