97293621 has 8 divisors (see below), whose sum is σ = 129902400. Its totient is φ = 64773632.

The previous prime is 97293617. The next prime is 97293631. The reversal of 97293621 is 12639279.

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 97293621 - 2² = 97293617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97293621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97293631) 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, 19596 + ... + 24053.

It is an arithmetic number, because the mean of its divisors is an integer number (16237800).

Almost surely, 2^97293621 is an apocalyptic number.

It is an amenable number.

97293621 is a deficient number, since it is larger than the sum of its proper divisors (32608779).

97293621 is a wasteful number, since it uses less digits than its factorization.

97293621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44395.

The product of its digits is 40824, while the sum is 39.

The square root of 97293621 is about 9863.7528861990. The cubic root of 97293621 is about 459.9332306995.

The spelling of 97293621 in words is "ninety-seven million, two hundred ninety-three thousand, six hundred twenty-one".