456439966 has 8 divisors (see below), whose sum is σ = 685243224. Its totient is φ = 228025560.

The previous prime is 456439957. The next prime is 456439993. The reversal of 456439966 is 669934654.

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

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, 94260 + ... + 98983.

It is an arithmetic number, because the mean of its divisors is an integer number (85655403).

Almost surely, 2^456439966 is an apocalyptic number.

456439966 is a deficient number, since it is larger than the sum of its proper divisors (228803258).

456439966 is a wasteful number, since it uses less digits than its factorization.

456439966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194426.

The product of its digits is 4199040, while the sum is 52.

The square root of 456439966 is about 21364.4556682355. The cubic root of 456439966 is about 769.9476919546.

The spelling of 456439966 in words is "four hundred fifty-six million, four hundred thirty-nine thousand, nine hundred sixty-six".