90940344 has 128 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 24780800.

The previous prime is 90940307. The next prime is 90940357. The reversal of 90940344 is 44304909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102784 + ... + 103664.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^90940344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90940344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137168640).

90940344 is an abundant number, since it is smaller than the sum of its proper divisors (183396936).

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

90940344 is a wasteful number, since it uses less digits than its factorization.

90940344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 937 counting only the distinct ones).

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

The square root of 90940344 is about 9536.2646775349. The cubic root of 90940344 is about 449.6958339592.

The spelling of 90940344 in words is "ninety million, nine hundred forty thousand, three hundred forty-four".