97208405 has 24 divisors (see below), whose sum is σ = 140083200. Its totient is φ = 64501920.

The previous prime is 97208401. The next prime is 97208407. The reversal of 97208405 is 50480279.

It is a happy number.

It is not a de Polignac number, because 97208405 - 2² = 97208401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97208401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196 + ... + 13994.

It is an arithmetic number, because the mean of its divisors is an integer number (5836800).

Almost surely, 2^97208405 is an apocalyptic number.

It is an amenable number.

97208405 is a deficient number, since it is larger than the sum of its proper divisors (42874795).

97208405 is a wasteful number, since it uses less digits than its factorization.

97208405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12849 (or 12842 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 97208405 is about 9859.4322858875. The cubic root of 97208405 is about 459.7989117924.

The spelling of 97208405 in words is "ninety-seven million, two hundred eight thousand, four hundred five".