90424338 has 16 divisors (see below), whose sum is σ = 180957216. Its totient is φ = 30123360.

The previous prime is 90424331. The next prime is 90424351. The reversal of 90424338 is 83342409.

It is a junction number, because it is equal to n+sod(n) for n = 90424299 and 90424308.

It is not an unprimeable number, because it can be changed into a prime (90424331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9798 + ... + 16638.

It is an arithmetic number, because the mean of its divisors is an integer number (11309826).

Almost surely, 2^90424338 is an apocalyptic number.

90424338 is an abundant number, since it is smaller than the sum of its proper divisors (90532878).

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

90424338 is a wasteful number, since it uses less digits than its factorization.

90424338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9049.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 90424338 is about 9509.1712572653. The cubic root of 90424338 is about 448.8436781693.

The spelling of 90424338 in words is "ninety million, four hundred twenty-four thousand, three hundred thirty-eight".