90698971 has 8 divisors (see below), whose sum is σ = 99039600. Its totient is φ = 82374240.

The previous prime is 90698957. The next prime is 90698981. The reversal of 90698971 is 17989609.

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

It is a cyclic number.

It is not a de Polignac number, because 90698971 - 2⁷ = 90698843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90698981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10165 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (12379950).

Almost surely, 2^90698971 is an apocalyptic number.

90698971 is a deficient number, since it is larger than the sum of its proper divisors (8340629).

90698971 is a wasteful number, since it uses less digits than its factorization.

90698971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 90698971 is about 9523.6007371162. The cubic root of 90698971 is about 449.2976219661.

The spelling of 90698971 in words is "ninety million, six hundred ninety-eight thousand, nine hundred seventy-one".