97460921 has 4 divisors (see below), whose sum is σ = 97481844. Its totient is φ = 97440000.

The previous prime is 97460917. The next prime is 97460927. The reversal of 97460921 is 12906479.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49505296 + 47955625 = 7036^2 + 6925^2 .

It is a cyclic number.

It is not a de Polignac number, because 97460921 - 2² = 97460917 is a prime.

It is a super-2 number, since 2×97460921² = 18997262244336482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97460927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41 + ... + 13961.

It is an arithmetic number, because the mean of its divisors is an integer number (24370461).

Almost surely, 2^97460921 is an apocalyptic number.

It is an amenable number.

97460921 is a deficient number, since it is larger than the sum of its proper divisors (20923).

97460921 is a wasteful number, since it uses less digits than its factorization.

97460921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20922.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 97460921 is about 9872.2297886546. The cubic root of 97460921 is about 460.1967038388.

The spelling of 97460921 in words is "ninety-seven million, four hundred sixty thousand, nine hundred twenty-one".