463540 has 72 divisors (see below), whose sum is σ = 1264032. Its totient is φ = 141120.

The previous prime is 463537. The next prime is 463549. The reversal of 463540 is 45364.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10759 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (17556).

2⁴⁶³⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632016).

463540 is an abundant number, since it is smaller than the sum of its proper divisors (800492).

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

463540 is a wasteful number, since it uses less digits than its factorization.

463540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 463540 is about 680.8377192841. The cubic root of 463540 is about 77.3919409735.

The spelling of 463540 in words is "four hundred sixty-three thousand, five hundred forty".