5389812 has 18 divisors (see below), whose sum is σ = 13624338. Its totient is φ = 1796592.

The previous prime is 5389807. The next prime is 5389817. The reversal of 5389812 is 2189835.

It is an interprime number because it is at equal distance from previous prime (5389807) and next prime (5389817).

It can be written as a sum of positive squares in only one way, i.e., 2842596 + 2547216 = 1686^2 + 1596^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 149717 = 5389812 / (5 + 3 + 8 + 9 + 8 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5389817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74823 + ... + 74894.

Almost surely, 2^5389812 is an apocalyptic number.

It is an amenable number.

5389812 is an abundant number, since it is smaller than the sum of its proper divisors (8234526).

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

5389812 is a wasteful number, since it uses less digits than its factorization.

5389812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149727 (or 149722 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 5389812 is about 2321.5968642294. The cubic root of 5389812 is about 175.3306618968.

The spelling of 5389812 in words is "five million, three hundred eighty-nine thousand, eight hundred twelve".