97940818 has 8 divisors (see below), whose sum is σ = 146953548. Its totient is φ = 48956304.

The previous prime is 97940797. The next prime is 97940827. The reversal of 97940818 is 81804979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78730129 + 19210689 = 8873^2 + 4383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380 + ... + 16312.

Almost surely, 2^97940818 is an apocalyptic number.

97940818 is a deficient number, since it is larger than the sum of its proper divisors (49012730).

97940818 is a wasteful number, since it uses less digits than its factorization.

97940818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14108.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 97940818 is about 9896.5053427965. The cubic root of 97940818 is about 460.9508027485.

The spelling of 97940818 in words is "ninety-seven million, nine hundred forty thousand, eight hundred eighteen".