5463640 has 128 divisors (see below), whose sum is σ = 16128000. Its totient is φ = 1617408.

The previous prime is 5463599. The next prime is 5463671. The reversal of 5463640 is 463645.

5463640 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

5463640 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 5463599 and 5463608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69121 + ... + 69199.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

Almost surely, 2^5463640 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 5463640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8064000).

5463640 is an abundant number, since it is smaller than the sum of its proper divisors (10664360).

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

5463640 is a wasteful number, since it uses less digits than its factorization.

5463640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 5463640 is about 2337.4430474345. The cubic root of 5463640 is about 176.1275762349.

It can be divided in two parts, 546 and 3640, that added together give a triangular number (4186 = T₉₁).

The spelling of 5463640 in words is "five million, four hundred sixty-three thousand, six hundred forty".