6986369 has 4 divisors (see below), whose sum is σ = 7523796. Its totient is φ = 6448944.

The previous prime is 6986341. The next prime is 6986383. The reversal of 6986369 is 9636896.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 3330625 = 1912^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6986369 - 2¹⁶ = 6920833 is a prime.

It is a super-2 number, since 2×6986369² = 97618703608322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6986389) 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, 268694 + ... + 268719.

It is an arithmetic number, because the mean of its divisors is an integer number (1880949).

Almost surely, 2^6986369 is an apocalyptic number.

It is an amenable number.

6986369 is a deficient number, since it is larger than the sum of its proper divisors (537427).

6986369 is a wasteful number, since it uses less digits than its factorization.

6986369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537426.

The product of its digits is 419904, while the sum is 47.

The square root of 6986369 is about 2643.1740389161. The cubic root of 6986369 is about 191.1688701413.

The spelling of 6986369 in words is "six million, nine hundred eighty-six thousand, three hundred sixty-nine".