6849951 has 4 divisors (see below), whose sum is σ = 9133272. Its totient is φ = 4566632.

The previous prime is 6849949. The next prime is 6849971. The reversal of 6849951 is 1599486.

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 6849951 - 2¹ = 6849949 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849971) 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, 1141656 + ... + 1141661.

It is an arithmetic number, because the mean of its divisors is an integer number (2283318).

Almost surely, 2^6849951 is an apocalyptic number.

6849951 is a deficient number, since it is larger than the sum of its proper divisors (2283321).

6849951 is a wasteful number, since it uses less digits than its factorization.

6849951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283320.

The product of its digits is 77760, while the sum is 42.

The square root of 6849951 is about 2617.2411046749. The cubic root of 6849951 is about 189.9164082887.

The spelling of 6849951 in words is "six million, eight hundred forty-nine thousand, nine hundred fifty-one".