6989364 has 18 divisors (see below), whose sum is σ = 17667650. Its totient is φ = 2329776.

The previous prime is 6989357. The next prime is 6989369. The reversal of 6989364 is 4639896.

It can be written as a sum of positive squares in only one way, i.e., 3640464 + 3348900 = 1908^2 + 1830^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97039 + ... + 97110.

Almost surely, 2^6989364 is an apocalyptic number.

It is an amenable number.

6989364 is an abundant number, since it is smaller than the sum of its proper divisors (10678286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6989364 is a wasteful number, since it uses less digits than its factorization.

6989364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194159 (or 194154 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6989364 is about 2643.7405318979. The cubic root of 6989364 is about 191.1961837558.

The spelling of 6989364 in words is "six million, nine hundred eighty-nine thousand, three hundred sixty-four".