6992040 has 64 divisors (see below), whose sum is σ = 22887360. Its totient is φ = 1694720.

The previous prime is 6992039. The next prime is 6992047. The reversal of 6992040 is 402996.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6991989 and 6992007.

It is not an unprimeable number, because it can be changed into a prime (6992047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (357615).

Almost surely, 2^6992040 is an apocalyptic number.

6992040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6992040 is an abundant number, since it is smaller than the sum of its proper divisors (15895320).

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

6992040 is a wasteful number, since it uses less digits than its factorization.

6992040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6992040 is about 2644.2465845681. The cubic root of 6992040 is about 191.2205815744.

The spelling of 6992040 in words is "six million, nine hundred ninety-two thousand, forty".