464649 has 4 divisors (see below), whose sum is σ = 619536. Its totient is φ = 309764.

The previous prime is 464647. The next prime is 464663. The reversal of 464649 is 946464.

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 464649 - 2¹ = 464647 is a prime.

It is a D-number.

464649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (464647) 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, 77439 + ... + 77444.

It is an arithmetic number, because the mean of its divisors is an integer number (154884).

2⁴⁶⁴⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

464649 is a deficient number, since it is larger than the sum of its proper divisors (154887).

464649 is a wasteful number, since it uses less digits than its factorization.

464649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154886.

The product of its digits is 20736, while the sum is 33.

The square root of 464649 is about 681.6516705767. The cubic root of 464649 is about 77.4536108093.

The spelling of 464649 in words is "four hundred sixty-four thousand, six hundred forty-nine".