464384239 has 4 divisors (see below), whose sum is σ = 506601000. Its totient is φ = 422167480.

The previous prime is 464384231. The next prime is 464384243. The reversal of 464384239 is 932483464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 464384239 - 2³ = 464384231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464384195 and 464384204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464384231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21108364 + ... + 21108385.

It is an arithmetic number, because the mean of its divisors is an integer number (126650250).

Almost surely, 2^464384239 is an apocalyptic number.

464384239 is a deficient number, since it is larger than the sum of its proper divisors (42216761).

464384239 is a wasteful number, since it uses less digits than its factorization.

464384239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42216760.

The product of its digits is 497664, while the sum is 43.

The square root of 464384239 is about 21549.5763067398. The cubic root of 464384239 is about 774.3889676948.

The spelling of 464384239 in words is "four hundred sixty-four million, three hundred eighty-four thousand, two hundred thirty-nine".