5409439 has 8 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 4434936.

The previous prime is 5409427. The next prime is 5409461. The reversal of 5409439 is 9349045.

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

It is a cyclic number.

It is not a de Polignac number, because 5409439 - 2¹³ = 5401247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409409) 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, 16639 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^5409439 is an apocalyptic number.

5409439 is a deficient number, since it is larger than the sum of its proper divisors (1041761).

5409439 is a wasteful number, since it uses less digits than its factorization.

5409439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33629.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 5409439 is about 2325.8200704268. The cubic root of 5409439 is about 175.5432262849.

The spelling of 5409439 in words is "five million, four hundred nine thousand, four hundred thirty-nine".