97818406 has 12 divisors (see below), whose sum is σ = 170683308. Its totient is φ = 41922132.

The previous prime is 97818397. The next prime is 97818431. The reversal of 97818406 is 60481879.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 498976 + ... + 499171.

It is an arithmetic number, because the mean of its divisors is an integer number (14223609).

Almost surely, 2^97818406 is an apocalyptic number.

97818406 is a deficient number, since it is larger than the sum of its proper divisors (72864902).

97818406 is a wasteful number, since it uses less digits than its factorization.

97818406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998163 (or 998156 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 97818406 is about 9890.3188017374. The cubic root of 97818406 is about 460.7586818492.

The spelling of 97818406 in words is "ninety-seven million, eight hundred eighteen thousand, four hundred six".