461649 has 8 divisors (see below), whose sum is σ = 632320. Its totient is φ = 299376.

The previous prime is 461639. The next prime is 461653. The reversal of 461649 is 946164.

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

It is not a de Polignac number, because 461649 - 2⁷ = 461521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461609) 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, 1969 + ... + 2190.

It is an arithmetic number, because the mean of its divisors is an integer number (79040).

2⁴⁶¹⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

461649 is a deficient number, since it is larger than the sum of its proper divisors (170671).

461649 is a wasteful number, since it uses less digits than its factorization.

461649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199.

The product of its digits is 5184, while the sum is 30.

The square root of 461649 is about 679.4475697212. The cubic root of 461649 is about 77.2865580360.

The spelling of 461649 in words is "four hundred sixty-one thousand, six hundred forty-nine".