5481864 has 64 divisors (see below), whose sum is σ = 15624000. Its totient is φ = 1779840.

The previous prime is 5481857. The next prime is 5481869. The reversal of 5481864 is 4681845.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5481869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8547 + ... + 9165.

It is an arithmetic number, because the mean of its divisors is an integer number (244125).

Almost surely, 2^5481864 is an apocalyptic number.

5481864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5481864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7812000).

5481864 is an abundant number, since it is smaller than the sum of its proper divisors (10142136).

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

5481864 is a wasteful number, since it uses less digits than its factorization.

5481864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 665 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 5481864 is about 2341.3380789625. The cubic root of 5481864 is about 176.3231837320.

It can be divided in two parts, 54 and 81864, that added together give a palindrome (81918).

The spelling of 5481864 in words is "five million, four hundred eighty-one thousand, eight hundred sixty-four".