456749 has 4 divisors (see below), whose sum is σ = 462336. Its totient is φ = 451164.

The previous prime is 456737. The next prime is 456763. The reversal of 456749 is 947654.

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 a de Polignac number, because none of the positive numbers 2^k-456749 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2669 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (115584).

2⁴⁵⁶⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

456749 is a deficient number, since it is larger than the sum of its proper divisors (5587).

456749 is an equidigital number, since it uses as much as digits as its factorization.

456749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its digits is 30240, while the sum is 35.

The square root of 456749 is about 675.8320797358. The cubic root of 456749 is about 77.0121417858.

The spelling of 456749 in words is "four hundred fifty-six thousand, seven hundred forty-nine".