239880465 has 24 divisors (see below), whose sum is σ = 453593088. Its totient is φ = 116305440.

The previous prime is 239880461. The next prime is 239880467. The reversal of 239880465 is 564088932.

239880465 is a `hidden beast` number, since 23 + 98 + 80 + 465 = 666.

It is not a de Polignac number, because 239880465 - 2² = 239880461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 239880465.

It is not an unprimeable number, because it can be changed into a prime (239880461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241809 + ... + 242798.

It is an arithmetic number, because the mean of its divisors is an integer number (18899712).

Almost surely, 2^239880465 is an apocalyptic number.

It is an amenable number.

239880465 is a deficient number, since it is larger than the sum of its proper divisors (213712623).

239880465 is a wasteful number, since it uses less digits than its factorization.

239880465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484629 (or 484626 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 239880465 is about 15488.0749287960. The cubic root of 239880465 is about 621.3433109912.

The spelling of 239880465 in words is "two hundred thirty-nine million, eight hundred eighty thousand, four hundred sixty-five".