464609 has 8 divisors (see below), whose sum is σ = 494760. Its totient is φ = 435456.

The previous prime is 464603. The next prime is 464617. The reversal of 464609 is 906464.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 390625 = 272^2 + 625^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2⁴⁶⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

464609 is a deficient number, since it is larger than the sum of its proper divisors (30151).

464609 is a wasteful number, since it uses less digits than its factorization.

464609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 464609 is about 681.6223294464. The cubic root of 464609 is about 77.4513881758.

The spelling of 464609 in words is "four hundred sixty-four thousand, six hundred nine".