6998408 has 16 divisors (see below), whose sum is σ = 13338060. Its totient is φ = 3441600.

The previous prime is 6998401. The next prime is 6998419. The reversal of 6998408 is 8048996.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 2427364 = 2138^2 + 1558^2 .

It is not an unprimeable number, because it can be changed into a prime (6998401) 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, 6683 + ... + 7658.

Almost surely, 2^6998408 is an apocalyptic number.

It is an amenable number.

6998408 is a deficient number, since it is larger than the sum of its proper divisors (6339652).

6998408 is a wasteful number, since it uses less digits than its factorization.

6998408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408 (or 14404 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 6998408 is about 2645.4504342361. The cubic root of 6998408 is about 191.2786153375.

The spelling of 6998408 in words is "six million, nine hundred ninety-eight thousand, four hundred eight".