6897402 has 24 divisors (see below), whose sum is σ = 15058836. Its totient is φ = 2281536.

The previous prime is 6897353. The next prime is 6897403. The reversal of 6897402 is 2047986.

It can be written as a sum of positive squares in 2 ways, for example, as 6702921 + 194481 = 2589^2 + 441^2 .

It is a d-powerful number, because it can be written as 6³ + 8⁷ + 9⁷ + 7⁵ + 4⁴ + 0 + 2 .

It is not an unprimeable number, because it can be changed into a prime (6897403) 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, 1068 + ... + 3864.

Almost surely, 2^6897402 is an apocalyptic number.

6897402 is an abundant number, since it is smaller than the sum of its proper divisors (8161434).

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

6897402 is a wasteful number, since it uses less digits than its factorization.

6897402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6897402 is about 2626.2905399060. The cubic root of 6897402 is about 190.3539294001.

The spelling of 6897402 in words is "six million, eight hundred ninety-seven thousand, four hundred two".