5439021 has 8 divisors (see below), whose sum is σ = 8288064. Its totient is φ = 3108000.

The previous prime is 5439013. The next prime is 5439041. The reversal of 5439021 is 1209345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5439021 - 2³ = 5439013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5438982 and 5439000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129480 + ... + 129521.

It is an arithmetic number, because the mean of its divisors is an integer number (1036008).

Almost surely, 2^5439021 is an apocalyptic number.

It is an amenable number.

5439021 is a deficient number, since it is larger than the sum of its proper divisors (2849043).

5439021 is a wasteful number, since it uses less digits than its factorization.

5439021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259011.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 5439021 is about 2332.1708771014. The cubic root of 5439021 is about 175.8626360175.

The spelling of 5439021 in words is "five million, four hundred thirty-nine thousand, twenty-one".