97400824 has 8 divisors (see below), whose sum is σ = 182626560. Its totient is φ = 48700408.

The previous prime is 97400747. The next prime is 97400833. The reversal of 97400824 is 42800479.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 97400824.

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, 6087544 + ... + 6087559.

It is an arithmetic number, because the mean of its divisors is an integer number (22828320).

Almost surely, 2^97400824 is an apocalyptic number.

It is an amenable number.

97400824 is a deficient number, since it is larger than the sum of its proper divisors (85225736).

97400824 is a wasteful number, since it uses less digits than its factorization.

97400824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12175109 (or 12175105 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 97400824 is about 9869.1855793677. The cubic root of 97400824 is about 460.1020945413.

The spelling of 97400824 in words is "ninety-seven million, four hundred thousand, eight hundred twenty-four".