6993140 has 96 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 2056320.

The previous prime is 6993131. The next prime is 6993149. The reversal of 6993140 is 413996.

It is an interprime number because it is at equal distance from previous prime (6993131) and next prime (6993149).

It is a junction number, because it is equal to n+sod(n) for n = 6993097 and 6993106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29141 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

Almost surely, 2^6993140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6993140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9676800).

6993140 is an abundant number, since it is smaller than the sum of its proper divisors (12360460).

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

6993140 is a wasteful number, since it uses less digits than its factorization.

6993140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 6993140 is about 2644.4545751440. The cubic root of 6993140 is about 191.2306087677.

The spelling of 6993140 in words is "six million, nine hundred ninety-three thousand, one hundred forty".