6691902 has 32 divisors (see below), whose sum is σ = 15420672. Its totient is φ = 1896384.

The previous prime is 6691891. The next prime is 6691903. The reversal of 6691902 is 2091966.

It is a happy number.

6691902 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6691903) 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, 5173 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (481896).

Almost surely, 2^6691902 is an apocalyptic number.

6691902 is an abundant number, since it is smaller than the sum of its proper divisors (8728770).

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

6691902 is a wasteful number, since it uses less digits than its factorization.

6691902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 6691902 is about 2586.8710829881. The cubic root of 6691902 is about 188.4443803472. Note that the first 3 decimals are identical.

The spelling of 6691902 in words is "six million, six hundred ninety-one thousand, nine hundred two".