90326998 has 4 divisors (see below), whose sum is σ = 135490500. Its totient is φ = 45163498.

The previous prime is 90326993. The next prime is 90327037. The reversal of 90326998 is 89962309.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89962309 = 9431 ⋅9539.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90326993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22581748 + ... + 22581751.

It is an arithmetic number, because the mean of its divisors is an integer number (33872625).

Almost surely, 2^90326998 is an apocalyptic number.

90326998 is a deficient number, since it is larger than the sum of its proper divisors (45163502).

90326998 is a wasteful number, since it uses less digits than its factorization.

90326998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45163501.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 90326998 is about 9504.0516623175. The cubic root of 90326998 is about 448.6825632480.

The spelling of 90326998 in words is "ninety million, three hundred twenty-six thousand, nine hundred ninety-eight".