90936398 has 8 divisors (see below), whose sum is σ = 155890992. Its totient is φ = 38972736.

The previous prime is 90936379. The next prime is 90936403. The reversal of 90936398 is 89363909.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247715 + ... + 3247742.

It is an arithmetic number, because the mean of its divisors is an integer number (19486374).

Almost surely, 2^90936398 is an apocalyptic number.

90936398 is a deficient number, since it is larger than the sum of its proper divisors (64954594).

90936398 is a wasteful number, since it uses less digits than its factorization.

90936398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6495466.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 90936398 is about 9536.0577808652. The cubic root of 90936398 is about 449.6893296021.

The spelling of 90936398 in words is "ninety million, nine hundred thirty-six thousand, three hundred ninety-eight".