90697908 has 48 divisors (see below), whose sum is σ = 244145664. Its totient is φ = 25668960.

The previous prime is 90697903. The next prime is 90697933. The reversal of 90697908 is 80979609.

It is a happy number.

It is a super-2 number, since 2×90697908² = 16452221031152928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90697903) 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, 3943 + ... + 14033.

It is an arithmetic number, because the mean of its divisors is an integer number (5086368).

Almost surely, 2^90697908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90697908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122072832).

90697908 is an abundant number, since it is smaller than the sum of its proper divisors (153447756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90697908 is a wasteful number, since it uses less digits than its factorization.

90697908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212 (or 10210 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 90697908 is about 9523.5449282292. The cubic root of 90697908 is about 449.2958666899.

The spelling of 90697908 in words is "ninety million, six hundred ninety-seven thousand, nine hundred eight".