439830774 has 12 divisors (see below), whose sum is σ = 952966716. Its totient is φ = 146610252.

The previous prime is 439830763. The next prime is 439830779. The reversal of 439830774 is 477038934.

It is a happy number.

It is a super-2 number, since 2×439830774² = 386902219514878152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439830779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12217504 + ... + 12217539.

It is an arithmetic number, because the mean of its divisors is an integer number (79413893).

Almost surely, 2^439830774 is an apocalyptic number.

439830774 is an abundant number, since it is smaller than the sum of its proper divisors (513135942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439830774 is a wasteful number, since it uses less digits than its factorization.

439830774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24435051 (or 24435048 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 439830774 is about 20972.1428089740. The cubic root of 439830774 is about 760.4929707953.

The spelling of 439830774 in words is "four hundred thirty-nine million, eight hundred thirty thousand, seven hundred seventy-four".