6901939 has 4 divisors (see below), whose sum is σ = 7529400. Its totient is φ = 6274480.

The previous prime is 6901919. The next prime is 6901957. The reversal of 6901939 is 9391096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6901939 - 2⁵ = 6901907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6901898 and 6901907.

It is not an unprimeable number, because it can be changed into a prime (6901919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313714 + ... + 313735.

It is an arithmetic number, because the mean of its divisors is an integer number (1882350).

Almost surely, 2^6901939 is an apocalyptic number.

6901939 is a deficient number, since it is larger than the sum of its proper divisors (627461).

6901939 is a wasteful number, since it uses less digits than its factorization.

6901939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627460.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 6901939 is about 2627.1541637293. The cubic root of 6901939 is about 190.3956575022.

The spelling of 6901939 in words is "six million, nine hundred one thousand, nine hundred thirty-nine".