6948991 has 12 divisors (see below), whose sum is σ = 8214096. Its totient is φ = 5758560.

The previous prime is 6948979. The next prime is 6949001. The reversal of 6948991 is 1998496.

It is not a de Polignac number, because 6948991 - 2⁹ = 6948479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6948911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6211 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (684508).

Almost surely, 2^6948991 is an apocalyptic number.

6948991 is a deficient number, since it is larger than the sum of its proper divisors (1265105).

6948991 is a wasteful number, since it uses less digits than its factorization.

6948991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102 (or 1071 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The square root of 6948991 is about 2636.0938905889. The cubic root of 6948991 is about 190.8273340643.

The spelling of 6948991 in words is "six million, nine hundred forty-eight thousand, nine hundred ninety-one".