456702989 has 4 divisors (see below), whose sum is σ = 456978624. Its totient is φ = 456427356.

The previous prime is 456702971. The next prime is 456702997. The reversal of 456702989 is 989207654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 456702989 - 2⁸ = 456702733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456707989) 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, 135317 + ... + 138650.

It is an arithmetic number, because the mean of its divisors is an integer number (114244656).

Almost surely, 2^456702989 is an apocalyptic number.

It is an amenable number.

456702989 is a deficient number, since it is larger than the sum of its proper divisors (275635).

456702989 is a wasteful number, since it uses less digits than its factorization.

456702989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275634.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 456702989 is about 21370.6104030746. The cubic root of 456702989 is about 770.0955573768.

The spelling of 456702989 in words is "four hundred fifty-six million, seven hundred two thousand, nine hundred eighty-nine".