456431 has 4 divisors (see below), whose sum is σ = 472200. Its totient is φ = 440664.

The previous prime is 456427. The next prime is 456439. The reversal of 456431 is 134654.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 456431 - 2² = 456427 is a prime.

It is a super-2 number, since 2×456431² = 416658515522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 456397 and 456406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7841 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (118050).

2⁴⁵⁶⁴³¹ is an apocalyptic number.

456431 is a deficient number, since it is larger than the sum of its proper divisors (15769).

456431 is a wasteful number, since it uses less digits than its factorization.

456431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768.

The product of its digits is 1440, while the sum is 23.

The square root of 456431 is about 675.5967732309. The cubic root of 456431 is about 76.9942650477.

The spelling of 456431 in words is "four hundred fifty-six thousand, four hundred thirty-one".