90343456 has 48 divisors (see below), whose sum is σ = 207446400. Its totient is φ = 38713920.

The previous prime is 90343441. The next prime is 90343469. The reversal of 90343456 is 65434309.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6861 + ... + 15091.

It is an arithmetic number, because the mean of its divisors is an integer number (4321800).

Almost surely, 2^90343456 is an apocalyptic number.

90343456 is the 5488-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90343456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103723200).

90343456 is an abundant number, since it is smaller than the sum of its proper divisors (117102944).

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

90343456 is an equidigital number, since it uses as much as digits as its factorization.

90343456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 90343456 is about 9504.9174641340. The cubic root of 90343456 is about 448.7098122778.

The spelling of 90343456 in words is "ninety million, three hundred forty-three thousand, four hundred fifty-six".