924399997 has 2 divisors, whose sum is σ = 924399998. Its totient is φ = 924399996.

The previous prime is 924399979. The next prime is 924400031. The reversal of 924399997 is 799993429.

Together with previous prime (924399979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 872257156 + 52142841 = 29534^2 + 7221^2 .

It is a cyclic number.

It is not a de Polignac number, because 924399997 - 2¹¹ = 924397949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (924399937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 462199998 + 462199999.

It is an arithmetic number, because the mean of its divisors is an integer number (462199999).

Almost surely, 2^924399997 is an apocalyptic number.

It is an amenable number.

924399997 is a deficient number, since it is larger than the sum of its proper divisors (1).

924399997 is an equidigital number, since it uses as much as digits as its factorization.

924399997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 61.

The square root of 924399997 is about 30403.9470628404. The cubic root of 924399997 is about 974.1368638198.

The spelling of 924399997 in words is "nine hundred twenty-four million, three hundred ninety-nine thousand, nine hundred ninety-seven".