439130487 has 4 divisors (see below), whose sum is σ = 585507320. Its totient is φ = 292753656.

The previous prime is 439130477. The next prime is 439130501. The reversal of 439130487 is 784031934.

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

It is not a de Polignac number, because 439130487 - 2⁶ = 439130423 is a prime.

It is a super-2 number, since 2×439130487² = 385671169225714338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439130437) 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, 73188412 + ... + 73188417.

It is an arithmetic number, because the mean of its divisors is an integer number (146376830).

Almost surely, 2^439130487 is an apocalyptic number.

439130487 is a deficient number, since it is larger than the sum of its proper divisors (146376833).

439130487 is a wasteful number, since it uses less digits than its factorization.

439130487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146376832.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 439130487 is about 20955.4405107600. The cubic root of 439130487 is about 760.0891440910.

The spelling of 439130487 in words is "four hundred thirty-nine million, one hundred thirty thousand, four hundred eighty-seven".