431487936 has 252 divisors, whose sum is σ = 1401817872. Its totient is φ = 126720000.

The previous prime is 431487899. The next prime is 431487941. The reversal of 431487936 is 639784134.

It is a junction number, because it is equal to n+sod(n) for n = 431487891 and 431487900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2857461 + ... + 2857611.

Almost surely, 2^431487936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431487936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700908936).

431487936 is an abundant number, since it is smaller than the sum of its proper divisors (970329936).

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

431487936 is a wasteful number, since it uses less digits than its factorization.

431487936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 208 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 431487936 is about 20772.2876929817. The cubic root of 431487936 is about 755.6538265617.

The spelling of 431487936 in words is "four hundred thirty-one million, four hundred eighty-seven thousand, nine hundred thirty-six".