431780942 has 8 divisors (see below), whose sum is σ = 670005000. Its totient is φ = 208445944.

The previous prime is 431780933. The next prime is 431780953. The reversal of 431780942 is 249087134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 431780896 and 431780905.

It is a congruent number.

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, 3722192 + ... + 3722307.

It is an arithmetic number, because the mean of its divisors is an integer number (83750625).

Almost surely, 2^431780942 is an apocalyptic number.

431780942 is a deficient number, since it is larger than the sum of its proper divisors (238224058).

431780942 is a wasteful number, since it uses less digits than its factorization.

431780942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444530.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 431780942 is about 20779.3393061473. The cubic root of 431780942 is about 755.8248325068.

The spelling of 431780942 in words is "four hundred thirty-one million, seven hundred eighty thousand, nine hundred forty-two".