2689386 has 16 divisors (see below), whose sum is σ = 6147264. Its totient is φ = 768384.

The previous prime is 2689381. The next prime is 2689391. The reversal of 2689386 is 6839862.

It is an interprime number because it is at equal distance from previous prime (2689381) and next prime (2689391).

It is a super-3 number, since 3×2689386³ = 58355349437778733368, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 64033 = 2689386 / (2 + 6 + 8 + 9 + 3 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31975 + ... + 32058.

It is an arithmetic number, because the mean of its divisors is an integer number (384204).

2^2689386 is an apocalyptic number.

2689386 is an abundant number, since it is smaller than the sum of its proper divisors (3457878).

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

2689386 is a wasteful number, since it uses less digits than its factorization.

2689386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64045.

The product of its digits is 124416, while the sum is 42.

The square root of 2689386 is about 1639.9347547997. The cubic root of 2689386 is about 139.0649593724.

The spelling of 2689386 in words is "two million, six hundred eighty-nine thousand, three hundred eighty-six".