97824398 has 16 divisors (see below), whose sum is σ = 171600000. Its totient is φ = 40949496.

The previous prime is 97824383. The next prime is 97824413. The reversal of 97824398 is 89342879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97824383) and next prime (97824413).

It is a super-2 number, since 2×97824398² = 19139225688124808, which contains 22 as substring.

It is a Curzon 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, 80648 + ... + 81851.

It is an arithmetic number, because the mean of its divisors is an integer number (10725000).

Almost surely, 2^97824398 is an apocalyptic number.

97824398 is a deficient number, since it is larger than the sum of its proper divisors (73775602).

97824398 is a wasteful number, since it uses less digits than its factorization.

97824398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162551.

The product of its digits is 870912, while the sum is 50.

The square root of 97824398 is about 9890.6217195887. The cubic root of 97824398 is about 460.7680897911.

The spelling of 97824398 in words is "ninety-seven million, eight hundred twenty-four thousand, three hundred ninety-eight".