90438982 has 8 divisors (see below), whose sum is σ = 136001376. Its totient is φ = 45105192.

The previous prime is 90438961. The next prime is 90438983. The reversal of 90438982 is 28983409.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90438983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56158 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (17000172).

Almost surely, 2^90438982 is an apocalyptic number.

90438982 is a deficient number, since it is larger than the sum of its proper divisors (45562394).

90438982 is a wasteful number, since it uses less digits than its factorization.

90438982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114302.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 90438982 is about 9509.9412195870. The cubic root of 90438982 is about 448.8679065728.

The spelling of 90438982 in words is "ninety million, four hundred thirty-eight thousand, nine hundred eighty-two".