97992404 has 6 divisors (see below), whose sum is σ = 171486714. Its totient is φ = 48996200.

The previous prime is 97992379. The next prime is 97992463. The reversal of 97992404 is 40429979.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 47582404 = 7100^2 + 6898^2 .

It is a super-3 number, since 3×97992404³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12249047 + ... + 12249054.

It is an arithmetic number, because the mean of its divisors is an integer number (28581119).

Almost surely, 2^97992404 is an apocalyptic number.

It is an amenable number.

97992404 is a deficient number, since it is larger than the sum of its proper divisors (73494310).

97992404 is a wasteful number, since it uses less digits than its factorization.

97992404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24498105 (or 24498103 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 97992404 is about 9899.1112732406. Note that the first 3 decimals coincide. The cubic root of 97992404 is about 461.0317170361.

The spelling of 97992404 in words is "ninety-seven million, nine hundred ninety-two thousand, four hundred four".