6984491 has 4 divisors (see below), whose sum is σ = 7011312. Its totient is φ = 6957672.

The previous prime is 6984487. The next prime is 6984511. The reversal of 6984491 is 1944896.

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 6984491 - 2² = 6984487 is a prime.

It is a super-2 number, since 2×6984491² = 97566229058162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6986491) 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, 13016 + ... + 13541.

It is an arithmetic number, because the mean of its divisors is an integer number (1752828).

Almost surely, 2^6984491 is an apocalyptic number.

6984491 is a deficient number, since it is larger than the sum of its proper divisors (26821).

6984491 is a wasteful number, since it uses less digits than its factorization.

6984491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26820.

The product of its digits is 62208, while the sum is 41.

The square root of 6984491 is about 2642.8187603390. The cubic root of 6984491 is about 191.1517392916.

The spelling of 6984491 in words is "six million, nine hundred eighty-four thousand, four hundred ninety-one".