97940455 has 8 divisors (see below), whose sum is σ = 120262032. Its totient is φ = 76530048.

The previous prime is 97940429. The next prime is 97940467. The reversal of 97940455 is 55404979.

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 97940455 - 2⁷ = 97940327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227554 + ... + 227983.

It is an arithmetic number, because the mean of its divisors is an integer number (15032754).

Almost surely, 2^97940455 is an apocalyptic number.

97940455 is a deficient number, since it is larger than the sum of its proper divisors (22321577).

97940455 is a wasteful number, since it uses less digits than its factorization.

97940455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455585.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 97940455 is about 9896.4870029723. The cubic root of 97940455 is about 460.9502332708.

The spelling of 97940455 in words is "ninety-seven million, nine hundred forty thousand, four hundred fifty-five".