464390399 has 8 divisors (see below), whose sum is σ = 516166992. Its totient is φ = 414207040.

The previous prime is 464390393. The next prime is 464390413. The reversal of 464390399 is 993093464.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464390399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464390393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397694 + ... + 398859.

It is an arithmetic number, because the mean of its divisors is an integer number (64520874).

Almost surely, 2^464390399 is an apocalyptic number.

464390399 is a deficient number, since it is larger than the sum of its proper divisors (51776593).

464390399 is a wasteful number, since it uses less digits than its factorization.

464390399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796617.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 464390399 is about 21549.7192325097. The cubic root of 464390399 is about 774.3923917379.

The spelling of 464390399 in words is "four hundred sixty-four million, three hundred ninety thousand, three hundred ninety-nine".