90397896 has 32 divisors (see below), whose sum is σ = 237890400. Its totient is φ = 28546560.

The previous prime is 90397861. The next prime is 90397897. The reversal of 90397896 is 69879309.

It is not an unprimeable number, because it can be changed into a prime (90397897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98665 + ... + 99576.

It is an arithmetic number, because the mean of its divisors is an integer number (7434075).

Almost surely, 2^90397896 is an apocalyptic number.

It is an amenable number.

90397896 is an abundant number, since it is smaller than the sum of its proper divisors (147492504).

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

90397896 is a wasteful number, since it uses less digits than its factorization.

90397896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198269 (or 198265 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 90397896 is about 9507.7808136284. The cubic root of 90397896 is about 448.7999234242.

The spelling of 90397896 in words is "ninety million, three hundred ninety-seven thousand, eight hundred ninety-six".