97406999 has 2 divisors, whose sum is σ = 97407000. Its totient is φ = 97406998.

The previous prime is 97406989. The next prime is 97407019. The reversal of 97406999 is 99960479.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97406999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97406999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97406989) 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, 48703499 + 48703500.

It is an arithmetic number, because the mean of its divisors is an integer number (48703500).

Almost surely, 2^97406999 is an apocalyptic number.

97406999 is a deficient number, since it is larger than the sum of its proper divisors (1).

97406999 is an equidigital number, since it uses as much as digits as its factorization.

97406999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 97406999 is about 9869.4984168396. The cubic root of 97406999 is about 460.1118174925. Note that the first 3 decimals are identical.

The spelling of 97406999 in words is "ninety-seven million, four hundred six thousand, nine hundred ninety-nine".