6940900 has 36 divisors (see below), whose sum is σ = 15554560. Its totient is φ = 2685600.

The previous prime is 6940891. The next prime is 6940907. The reversal of 6940900 is 90496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1981 + ... + 4219.

Almost surely, 2^6940900 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 6940900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7777280).

6940900 is an abundant number, since it is smaller than the sum of its proper divisors (8613660).

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

6940900 is a wasteful number, since it uses less digits than its factorization.

6940900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284 (or 2277 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 6940900 is about 2634.5587865903. The cubic root of 6940900 is about 190.7532425600.

The spelling of 6940900 in words is "six million, nine hundred forty thousand, nine hundred".