455669 has 4 divisors (see below), whose sum is σ = 470400.
Its totient is φ = 440940.
The previous prime is 455659. The next prime is 455681. The reversal of 455669 is 966554.
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 a de Polignac number, because none of the positive numbers 2k-455669 is a prime.
It is a super-2 number, since 2×4556692 = 415268475122, which contains 22 as substring.
It is an Ulam number.
It is a Duffinian number.
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 (455659) 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, 7319 + ... + 7380.
It is an arithmetic number, because the mean of its divisors is an integer number (117600).
2455669 is an apocalyptic number.
It is an amenable number.
455669 is a deficient number, since it is larger than the sum of its proper divisors (14731).
455669 is a wasteful number, since it uses less digits than its factorization.
455669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14730.
The product of its digits is 32400, while the sum is 35.
The square root of 455669 is about 675.0325918058.
The cubic root of 455669 is about 76.9513945229.
The spelling of 455669 in words is "four hundred fifty-five thousand, six hundred sixty-nine".