5409739 has 4 divisors (see below), whose sum is σ = 5414656. Its totient is φ = 5404824.

The previous prime is 5409721. The next prime is 5409751. The reversal of 5409739 is 9379045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5409739 - 2⁵ = 5409707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5409698 and 5409707.

It is not an unprimeable number, because it can be changed into a prime (5409799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (1353664).

Almost surely, 2^5409739 is an apocalyptic number.

5409739 is a deficient number, since it is larger than the sum of its proper divisors (4917).

5409739 is a wasteful number, since it uses less digits than its factorization.

5409739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 5409739 is about 2325.8845629136. The cubic root of 5409739 is about 175.5464713531.

The spelling of 5409739 in words is "five million, four hundred nine thousand, seven hundred thirty-nine".