5439951 has 12 divisors (see below), whose sum is σ = 8572200. Its totient is φ = 3296880.

The previous prime is 5439943. The next prime is 5439953. The reversal of 5439951 is 1599345.

It is not a de Polignac number, because 5439951 - 2³ = 5439943 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27376 + ... + 27573.

It is an arithmetic number, because the mean of its divisors is an integer number (714350).

Almost surely, 2^5439951 is an apocalyptic number.

5439951 is a deficient number, since it is larger than the sum of its proper divisors (3132249).

5439951 is a wasteful number, since it uses less digits than its factorization.

5439951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54966 (or 54963 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 5439951 is about 2332.3702536261. The cubic root of 5439951 is about 175.8726588341.

Subtracting from 5439951 its reverse (1599345), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5439951 in words is "five million, four hundred thirty-nine thousand, nine hundred fifty-one".