97924357 has 2 divisors, whose sum is σ = 97924358. Its totient is φ = 97924356.

The previous prime is 97924349. The next prime is 97924391. The reversal of 97924357 is 75342979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67387681 + 30536676 = 8209^2 + 5526^2 .

It is a cyclic number.

It is not a de Polignac number, because 97924357 - 2³ = 97924349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97924327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48962178 + 48962179.

It is an arithmetic number, because the mean of its divisors is an integer number (48962179).

Almost surely, 2^97924357 is an apocalyptic number.

It is an amenable number.

97924357 is a deficient number, since it is larger than the sum of its proper divisors (1).

97924357 is an equidigital number, since it uses as much as digits as its factorization.

97924357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 97924357 is about 9895.6736506415. The cubic root of 97924357 is about 460.9249771651.

It can be divided in two parts, 979243 and 57, that added together give a triangular number (979300 = T₁₃₉₉).

The spelling of 97924357 in words is "ninety-seven million, nine hundred twenty-four thousand, three hundred fifty-seven".