439342631 has 16 divisors (see below), whose sum is σ = 541438464. Its totient is φ = 347156064.

The previous prime is 439342613. The next prime is 439342639. The reversal of 439342631 is 136243934.

It is a cyclic number.

It is not a de Polignac number, because 439342631 - 2¹⁴ = 439326247 is a prime.

It is a super-2 number, since 2×439342631² = 386043894828004322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 439342591 and 439342600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439342639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77996 + ... + 83438.

It is an arithmetic number, because the mean of its divisors is an integer number (33839904).

Almost surely, 2^439342631 is an apocalyptic number.

439342631 is a deficient number, since it is larger than the sum of its proper divisors (102095833).

439342631 is a wasteful number, since it uses less digits than its factorization.

439342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350.

The product of its digits is 46656, while the sum is 35.

The square root of 439342631 is about 20960.5016876982. The cubic root of 439342631 is about 760.2115241100.

The spelling of 439342631 in words is "four hundred thirty-nine million, three hundred forty-two thousand, six hundred thirty-one".