431069652 has 54 divisors (see below), whose sum is σ = 1179931662. Its totient is φ = 132634944.

The previous prime is 431069641. The next prime is 431069677. The reversal of 431069652 is 256960134.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 20034576 + 411035076 = 4476^2 + 20274^2 .

It is a super-2 number, since 2×431069652² = 371642089750802208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29343 + ... + 41510.

Almost surely, 2^431069652 is an apocalyptic number.

It is an amenable number.

431069652 is an abundant number, since it is smaller than the sum of its proper divisors (748862010).

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

431069652 is a wasteful number, since it uses less digits than its factorization.

431069652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70889 (or 70871 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 431069652 is about 20762.2169336514. The cubic root of 431069652 is about 755.4095709143.

The spelling of 431069652 in words is "four hundred thirty-one million, sixty-nine thousand, six hundred fifty-two".