316747399 has 2 divisors, whose sum is σ = 316747400. Its totient is φ = 316747398.

The previous prime is 316747381. The next prime is 316747411. The reversal of 316747399 is 993747613.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316747399 - 2¹³ = 316739207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316747199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158373699 + 158373700.

It is an arithmetic number, because the mean of its divisors is an integer number (158373700).

Almost surely, 2^316747399 is an apocalyptic number.

316747399 is a deficient number, since it is larger than the sum of its proper divisors (1).

316747399 is an equidigital number, since it uses as much as digits as its factorization.

316747399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 49.

The square root of 316747399 is about 17797.3986582309. The cubic root of 316747399 is about 681.6650366178.

The spelling of 316747399 in words is "three hundred sixteen million, seven hundred forty-seven thousand, three hundred ninety-nine".