90043382 has 32 divisors (see below), whose sum is σ = 159818400. Its totient is φ = 37509120.

The previous prime is 90043379. The next prime is 90043391. The reversal of 90043382 is 28334009.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41558 + ... + 43670.

It is an arithmetic number, because the mean of its divisors is an integer number (4994325).

Almost surely, 2^90043382 is an apocalyptic number.

90043382 is the 7748-th pentagonal number.

90043382 is a deficient number, since it is larger than the sum of its proper divisors (69775018).

90043382 is a wasteful number, since it uses less digits than its factorization.

90043382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90043382 is about 9489.1191372013. The cubic root of 90043382 is about 448.2124676454.

The spelling of 90043382 in words is "ninety million, forty-three thousand, three hundred eighty-two".