90404262 has 96 divisors (see below), whose sum is σ = 224733600. Its totient is φ = 27060480.

The previous prime is 90404243. The next prime is 90404267. The reversal of 90404262 is 26240409.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90404267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 258864 + ... + 259212.

It is an arithmetic number, because the mean of its divisors is an integer number (2340975).

Almost surely, 2^90404262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90404262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112366800).

90404262 is an abundant number, since it is smaller than the sum of its proper divisors (134329338).

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

90404262 is a wasteful number, since it uses less digits than its factorization.

90404262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 90404262 is about 9508.1155861716. The cubic root of 90404262 is about 448.8104583053.

The spelling of 90404262 in words is "ninety million, four hundred four thousand, two hundred sixty-two".