90839097 has 16 divisors (see below), whose sum is σ = 135912960. Its totient is φ = 59958000.

The previous prime is 90839051. The next prime is 90839113. The reversal of 90839097 is 79093809.

It is a happy number.

It is not a de Polignac number, because 90839097 - 2¹⁶ = 90773561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90839017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13929 + ... + 19382.

It is an arithmetic number, because the mean of its divisors is an integer number (8494560).

Almost surely, 2^90839097 is an apocalyptic number.

It is an amenable number.

90839097 is a deficient number, since it is larger than the sum of its proper divisors (45073863).

90839097 is a wasteful number, since it uses less digits than its factorization.

90839097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33421 (or 33415 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 90839097 is about 9530.9546741132. The cubic root of 90839097 is about 449.5288847286.

The spelling of 90839097 in words is "ninety million, eight hundred thirty-nine thousand, ninety-seven".