456669 has 6 divisors (see below), whose sum is σ = 659646. Its totient is φ = 304440.

The previous prime is 456653. The next prime is 456679. The reversal of 456669 is 966654.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 324900 + 131769 = 570^2 + 363^2 .

It is not a de Polignac number, because 456669 - 2⁴ = 456653 is a prime.

It is a super-2 number, since 2×456669² = 417093151122, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25362 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (109941).

2⁴⁵⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

456669 is a deficient number, since it is larger than the sum of its proper divisors (202977).

456669 is a wasteful number, since it uses less digits than its factorization.

456669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50747 (or 50744 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 456669 is about 675.7728908443. The cubic root of 456669 is about 77.0076452745.

The spelling of 456669 in words is "four hundred fifty-six thousand, six hundred sixty-nine".