5439492 has 36 divisors (see below), whose sum is σ = 13980876. Its totient is φ = 1782720.

The previous prime is 5439479. The next prime is 5439509. The reversal of 5439492 is 2949345.

It can be written as a sum of positive squares in 2 ways, for example, as 1179396 + 4260096 = 1086^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 3434.

Almost surely, 2^5439492 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 5439492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6990438).

5439492 is an abundant number, since it is smaller than the sum of its proper divisors (8541384).

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

5439492 is a wasteful number, since it uses less digits than its factorization.

5439492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548 (or 2543 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 5439492 is about 2332.2718537941. The cubic root of 5439492 is about 175.8677122319.

The spelling of 5439492 in words is "five million, four hundred thirty-nine thousand, four hundred ninety-two".