6924139 has 2 divisors, whose sum is σ = 6924140. Its totient is φ = 6924138.

The previous prime is 6924131. The next prime is 6924149. The reversal of 6924139 is 9314296.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6924139 - 2³ = 6924131 is a prime.

It is not a weakly prime, because it can be changed into another prime (6924131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3462069 + 3462070.

It is an arithmetic number, because the mean of its divisors is an integer number (3462070).

Almost surely, 2^6924139 is an apocalyptic number.

6924139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6924139 is an equidigital number, since it uses as much as digits as its factorization.

6924139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 6924139 is about 2631.3758758490. The cubic root of 6924139 is about 190.5995741059.

The spelling of 6924139 in words is "six million, nine hundred twenty-four thousand, one hundred thirty-nine".