90424352 has 30 divisors (see below), whose sum is σ = 182473515. Its totient is φ = 44109440.

The previous prime is 90424351. The next prime is 90424417. The reversal of 90424352 is 25342409.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 10214416 + 80209936 = 3196^2 + 8956^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6724.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90424351) by changing a digit.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 2205452 + ... + 2205492.

Almost surely, 2^90424352 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 90424352

90424352 is an abundant number, since it is smaller than the sum of its proper divisors (92049163).

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

90424352 is an frugal number, since it uses more digits than its factorization.

90424352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 90424352 is about 9509.1719933967. The cubic root of 90424352 is about 448.8437013335.

The spelling of 90424352 in words is "ninety million, four hundred twenty-four thousand, three hundred fifty-two".