5429939 has 4 divisors (see below), whose sum is σ = 5458560. Its totient is φ = 5401320.

The previous prime is 5429923. The next prime is 5429981. The reversal of 5429939 is 9399245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9399245 = 5 ⋅1879849.

It is a cyclic number.

It is not a de Polignac number, because 5429939 - 2⁴ = 5429923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5429896 and 5429905.

It is not an unprimeable number, because it can be changed into a prime (5429339) 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 3 ways as a sum of consecutive naturals, for example, 14024 + ... + 14405.

It is an arithmetic number, because the mean of its divisors is an integer number (1364640).

Almost surely, 2^5429939 is an apocalyptic number.

5429939 is a deficient number, since it is larger than the sum of its proper divisors (28621).

5429939 is a wasteful number, since it uses less digits than its factorization.

5429939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28620.

The product of its digits is 87480, while the sum is 41.

The square root of 5429939 is about 2330.2229507066. Note that the first 3 decimals coincide. The cubic root of 5429939 is about 175.7646971745.

The spelling of 5429939 in words is "five million, four hundred twenty-nine thousand, nine hundred thirty-nine".