97442621 has 8 divisors (see below), whose sum is σ = 103514400. Its totient is φ = 91465200.

The previous prime is 97442603. The next prime is 97442633. The reversal of 97442621 is 12624479.

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 97442621 - 2¹⁸ = 97180477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97442671) 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, 21455 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (12939300).

Almost surely, 2^97442621 is an apocalyptic number.

It is an amenable number.

97442621 is a deficient number, since it is larger than the sum of its proper divisors (6071779).

97442621 is a wasteful number, since it uses less digits than its factorization.

97442621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47179.

The product of its digits is 24192, while the sum is 35.

The square root of 97442621 is about 9871.3029028594. The cubic root of 97442621 is about 460.1678986974.

The spelling of 97442621 in words is "ninety-seven million, four hundred forty-two thousand, six hundred twenty-one".