6929140 has 24 divisors (see below), whose sum is σ = 14771232. Its totient is φ = 2729760.

The previous prime is 6929113. The next prime is 6929147. The reversal of 6929140 is 419296.

It is a happy number.

It is a super-2 number, since 2×6929140² = 96025962279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6929147) 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, 1246 + ... + 3925.

It is an arithmetic number, because the mean of its divisors is an integer number (615468).

Almost surely, 2^6929140 is an apocalyptic number.

It is an amenable number.

6929140 is an abundant number, since it is smaller than the sum of its proper divisors (7842092).

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

6929140 is a wasteful number, since it uses less digits than its factorization.

6929140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6929140 is about 2632.3259676567. The cubic root of 6929140 is about 190.6454502829.

The spelling of 6929140 in words is "six million, nine hundred twenty-nine thousand, one hundred forty".