5402439 has 24 divisors (see below), whose sum is σ = 9228960. Its totient is φ = 2979648.

The previous prime is 5402437. The next prime is 5402471. The reversal of 5402439 is 9342045.

It is not a de Polignac number, because 5402439 - 2¹ = 5402437 is a prime.

5402439 is a modest number, since divided by 2439 gives 54 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402431) 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 23 ways as a sum of consecutive naturals, for example, 349 + ... + 3305.

It is an arithmetic number, because the mean of its divisors is an integer number (384540).

Almost surely, 2^5402439 is an apocalyptic number.

5402439 is a deficient number, since it is larger than the sum of its proper divisors (3826521).

5402439 is a wasteful number, since it uses less digits than its factorization.

5402439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 5402439 is about 2324.3147377238. The cubic root of 5402439 is about 175.4674739440.

The spelling of 5402439 in words is "five million, four hundred two thousand, four hundred thirty-nine".