6939965 has 8 divisors (see below), whose sum is σ = 8356608. Its totient is φ = 5532880.

The previous prime is 6939943. The next prime is 6939967. The reversal of 6939965 is 5699396.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6939965 - 2⁶ = 6939901 is a prime.

It is a super-2 number, since 2×6939965² = 96326228402450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (1044576).

Almost surely, 2^6939965 is an apocalyptic number.

It is an amenable number.

6939965 is a deficient number, since it is larger than the sum of its proper divisors (1416643).

6939965 is a wasteful number, since it uses less digits than its factorization.

6939965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4779.

The product of its digits is 393660, while the sum is 47.

The square root of 6939965 is about 2634.3813315464. The cubic root of 6939965 is about 190.7446767981.

The spelling of 6939965 in words is "six million, nine hundred thirty-nine thousand, nine hundred sixty-five".