465993999 has 16 divisors (see below), whose sum is σ = 693411840. Its totient is φ = 309290040.

The previous prime is 465993971. The next prime is 465994043. The reversal of 465993999 is 999399564.

465993999 is a `hidden beast` number, since 4 + 6 + 599 + 39 + 9 + 9 = 666.

It is not a de Polignac number, because 465993999 - 2¹⁵ = 465961231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465993929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31887 + ... + 44144.

It is an arithmetic number, because the mean of its divisors is an integer number (43338240).

Almost surely, 2^465993999 is an apocalyptic number.

465993999 is a deficient number, since it is larger than the sum of its proper divisors (227417841).

465993999 is a wasteful number, since it uses less digits than its factorization.

465993999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76267 (or 76261 counting only the distinct ones).

The product of its digits is 21257640, while the sum is 63.

The square root of 465993999 is about 21586.8941489970. The cubic root of 465993999 is about 775.2827266764.

The spelling of 465993999 in words is "four hundred sixty-five million, nine hundred ninety-three thousand, nine hundred ninety-nine".