6929940 has 24 divisors (see below), whose sum is σ = 19404000. Its totient is φ = 1847968.

The previous prime is 6929939. The next prime is 6929941. The reversal of 6929940 is 499296.

It is an interprime number because it is at equal distance from previous prime (6929939) and next prime (6929941).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57690 + ... + 57809.

It is an arithmetic number, because the mean of its divisors is an integer number (808500).

Almost surely, 2^6929940 is an apocalyptic number.

6929940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6929940 is an abundant number, since it is smaller than the sum of its proper divisors (12474060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6929940 is a wasteful number, since it uses less digits than its factorization.

6929940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115511 (or 115509 counting only the distinct ones).

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

The square root of 6929940 is about 2632.4779201353. The cubic root of 6929940 is about 190.6527869554.

The spelling of 6929940 in words is "six million, nine hundred twenty-nine thousand, nine hundred forty".