2686992 has 80 divisors (see below), whose sum is σ = 8666112. Its totient is φ = 696960.

The previous prime is 2686979. The next prime is 2686993. The reversal of 2686992 is 2996862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2686993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3333 + ... + 4059.

2^2686992 is an apocalyptic number.

2686992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4333056).

2686992 is an abundant number, since it is smaller than the sum of its proper divisors (5979120).

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

2686992 is a wasteful number, since it uses less digits than its factorization.

2686992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 750 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 2686992 is about 1639.2046852056. The cubic root of 2686992 is about 139.0236834893.

It can be divided in two parts, 268 and 6992, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 2686992 in words is "two million, six hundred eighty-six thousand, nine hundred ninety-two".