6939429 has 12 divisors (see below), whose sum is σ = 10763424. Its totient is φ = 3965304.

The previous prime is 6939367. The next prime is 6939437. The reversal of 6939429 is 9249396.

It is not a de Polignac number, because 6939429 - 2⁷ = 6939301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23457 + ... + 23750.

It is an arithmetic number, because the mean of its divisors is an integer number (896952).

Almost surely, 2^6939429 is an apocalyptic number.

It is an amenable number.

6939429 is a deficient number, since it is larger than the sum of its proper divisors (3823995).

6939429 is a wasteful number, since it uses less digits than its factorization.

6939429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47224 (or 47217 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 6939429 is about 2634.2795979167. The cubic root of 6939429 is about 190.7397660250.

The spelling of 6939429 in words is "six million, nine hundred thirty-nine thousand, four hundred twenty-nine".