431446852 has 12 divisors (see below), whose sum is σ = 761959660. Its totient is φ = 213744096.

The previous prime is 431446849. The next prime is 431446861. The reversal of 431446852 is 258644134.

It can be written as a sum of positive squares in 2 ways, for example, as 385965316 + 45481536 = 19646^2 + 6744^2 .

It is a super-2 number, since 2×431446852² = 372292772201419808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494343 + ... + 495214.

Almost surely, 2^431446852 is an apocalyptic number.

It is an amenable number.

431446852 is a deficient number, since it is larger than the sum of its proper divisors (330512808).

431446852 is a wasteful number, since it uses less digits than its factorization.

431446852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989670 (or 989668 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 431446852 is about 20771.2987557350. The cubic root of 431446852 is about 755.6298426797.

The spelling of 431446852 in words is "four hundred thirty-one million, four hundred forty-six thousand, eight hundred fifty-two".