6946989 has 32 divisors (see below), whose sum is σ = 11642880. Its totient is φ = 3592512.

The previous prime is 6946987. The next prime is 6946991. The reversal of 6946989 is 9896496.

It is an interprime number because it is at equal distance from previous prime (6946987) and next prime (6946991).

It is not a de Polignac number, because 6946989 - 2¹ = 6946987 is a prime.

It is a super-2 number, since 2×6946989² = 96521312332242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6946987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8799 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (363840).

Almost surely, 2^6946989 is an apocalyptic number.

6946989 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6946989 is a deficient number, since it is larger than the sum of its proper divisors (4695891).

6946989 is a wasteful number, since it uses less digits than its factorization.

6946989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its digits is 839808, while the sum is 51.

The square root of 6946989 is about 2635.7141347271. The cubic root of 6946989 is about 190.8090065586.

The spelling of 6946989 in words is "six million, nine hundred forty-six thousand, nine hundred eighty-nine".