97968491 has 8 divisors (see below), whose sum is σ = 100415040. Its totient is φ = 95529672.

The previous prime is 97968457. The next prime is 97968499. The reversal of 97968491 is 19486979.

It is a happy number.

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 97968491 - 2¹⁸ = 97706347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97968499) 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, 30236 + ... + 33318.

It is an arithmetic number, because the mean of its divisors is an integer number (12551880).

Almost surely, 2^97968491 is an apocalyptic number.

97968491 is a deficient number, since it is larger than the sum of its proper divisors (2446549).

97968491 is a wasteful number, since it uses less digits than its factorization.

97968491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865.

The product of its digits is 979776, while the sum is 53.

The square root of 97968491 is about 9897.9033638443. The cubic root of 97968491 is about 460.9942122640.

The spelling of 97968491 in words is "ninety-seven million, nine hundred sixty-eight thousand, four hundred ninety-one".