6940929 has 4 divisors (see below), whose sum is σ = 9254576. Its totient is φ = 4627284.

The previous prime is 6940919. The next prime is 6940939. The reversal of 6940929 is 9290496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6940919) and next prime (6940939).

It is a de Polignac number, because none of the positive numbers 2^k-6940929 is a prime.

It is a d-powerful number, because it can be written as 6 + 9³ + 4⁵ + 0 + 9⁵ + 2²¹ + 9⁷ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6940919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156819 + ... + 1156824.

It is an arithmetic number, because the mean of its divisors is an integer number (2313644).

Almost surely, 2^6940929 is an apocalyptic number.

It is an amenable number.

6940929 is a deficient number, since it is larger than the sum of its proper divisors (2313647).

6940929 is a wasteful number, since it uses less digits than its factorization.

6940929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313646.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 6940929 is about 2634.5642903524. The cubic root of 6940929 is about 190.7535082237.

The spelling of 6940929 in words is "six million, nine hundred forty thousand, nine hundred twenty-nine".