457847399 has 2 divisors, whose sum is σ = 457847400. Its totient is φ = 457847398.

The previous prime is 457847393. The next prime is 457847449. The reversal of 457847399 is 993748754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457847399 - 2²⁴ = 441070183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457847393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228923699 + 228923700.

It is an arithmetic number, because the mean of its divisors is an integer number (228923700).

Almost surely, 2^457847399 is an apocalyptic number.

457847399 is a deficient number, since it is larger than the sum of its proper divisors (1).

457847399 is an equidigital number, since it uses as much as digits as its factorization.

457847399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 457847399 is about 21397.3689737781. The cubic root of 457847399 is about 770.7382580480.

The spelling of 457847399 in words is "four hundred fifty-seven million, eight hundred forty-seven thousand, three hundred ninety-nine".