90680984 has 8 divisors (see below), whose sum is σ = 170026860. Its totient is φ = 45340488.

The previous prime is 90680963. The next prime is 90681007. The reversal of 90680984 is 48908609.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5667554 + ... + 5667569.

Almost surely, 2^90680984 is an apocalyptic number.

It is an amenable number.

90680984 is a deficient number, since it is larger than the sum of its proper divisors (79345876).

90680984 is a wasteful number, since it uses less digits than its factorization.

90680984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11335129 (or 11335125 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 90680984 is about 9522.6563520900. The cubic root of 90680984 is about 449.2679191278.

The spelling of 90680984 in words is "ninety million, six hundred eighty thousand, nine hundred eighty-four".