90454364 has 192 divisors, whose sum is σ = 237081600. Its totient is φ = 29030400.

The previous prime is 90454363. The next prime is 90454369. The reversal of 90454364 is 46345409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90454361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2206184 + ... + 2206224.

It is an arithmetic number, because the mean of its divisors is an integer number (1234800).

Almost surely, 2^90454364 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 90454364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118540800).

90454364 is an abundant number, since it is smaller than the sum of its proper divisors (146627236).

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

90454364 is a wasteful number, since it uses less digits than its factorization.

90454364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 90454364 is about 9510.7499178561. The cubic root of 90454364 is about 448.8933531762.

It can be divided in two parts, 90 and 454364, that added together give a palindrome (454454).

The spelling of 90454364 in words is "ninety million, four hundred fifty-four thousand, three hundred sixty-four".