464540 has 12 divisors (see below), whose sum is σ = 975576. Its totient is φ = 185808.

The previous prime is 464539. The next prime is 464549. The reversal of 464540 is 45464.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464549) 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, 11594 + ... + 11633.

It is an arithmetic number, because the mean of its divisors is an integer number (81298).

2⁴⁶⁴⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

464540 is an abundant number, since it is smaller than the sum of its proper divisors (511036).

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

464540 is a wasteful number, since it uses less digits than its factorization.

464540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23236 (or 23234 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 464540 is about 681.5717130281. The cubic root of 464540 is about 77.4475538331.

The spelling of 464540 in words is "four hundred sixty-four thousand, five hundred forty".