6894961 has 4 divisors (see below), whose sum is σ = 6925300. Its totient is φ = 6864624.

The previous prime is 6894959. The next prime is 6894971. The reversal of 6894961 is 1694986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1694986 = 2 ⋅847493.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 2190400 = 2169^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 6894961 - 2¹ = 6894959 is a prime.

It is a Duffinian number.

6894961 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14826 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (1731325).

Almost surely, 2^6894961 is an apocalyptic number.

It is an amenable number.

6894961 is a deficient number, since it is larger than the sum of its proper divisors (30339).

6894961 is a wasteful number, since it uses less digits than its factorization.

6894961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30338.

The product of its digits is 93312, while the sum is 43.

The square root of 6894961 is about 2625.8257748754. The cubic root of 6894961 is about 190.3314712453.

The spelling of 6894961 in words is "six million, eight hundred ninety-four thousand, nine hundred sixty-one".