97400399 has 2 divisors, whose sum is σ = 97400400. Its totient is φ = 97400398.

The previous prime is 97400389. The next prime is 97400411. The reversal of 97400399 is 99300479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97400399 - 2⁴ = 97400383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97400389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48700199 + 48700200.

It is an arithmetic number, because the mean of its divisors is an integer number (48700200).

Almost surely, 2^97400399 is an apocalyptic number.

97400399 is a deficient number, since it is larger than the sum of its proper divisors (1).

97400399 is an equidigital number, since it uses as much as digits as its factorization.

97400399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 97400399 is about 9869.1640476790. The cubic root of 97400399 is about 460.1014253352.

The spelling of 97400399 in words is "ninety-seven million, four hundred thousand, three hundred ninety-nine".