462640 has 20 divisors (see below), whose sum is σ = 1075824. Its totient is φ = 185024.

The previous prime is 462629. The next prime is 462641. The reversal of 462640 is 46264.

It is a tau number, because it is divible by the number of its divisors (20).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (462641) 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, 2812 + ... + 2971.

2⁴⁶²⁶⁴⁰ is an apocalyptic number.

462640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

462640 is an abundant number, since it is smaller than the sum of its proper divisors (613184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

462640 is a wasteful number, since it uses less digits than its factorization.

462640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796 (or 5790 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 462640 is about 680.1764476957. The cubic root of 462640 is about 77.3418209736.

The spelling of 462640 in words is "four hundred sixty-two thousand, six hundred forty".