2686480 has 20 divisors (see below), whose sum is σ = 6246252. Its totient is φ = 1074560.

The previous prime is 2686477. The next prime is 2686483. The reversal of 2686480 is 846862.

It is an interprime number because it is at equal distance from previous prime (2686477) and next prime (2686483).

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 2359296 = 572^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2686483) 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, 16711 + ... + 16870.

2^2686480 is an apocalyptic number.

2686480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686480 is an abundant number, since it is smaller than the sum of its proper divisors (3559772).

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

2686480 is a wasteful number, since it uses less digits than its factorization.

2686480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33594 (or 33588 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 2686480 is about 1639.0485044684. The cubic root of 2686480 is about 139.0148527165.

The spelling of 2686480 in words is "two million, six hundred eighty-six thousand, four hundred eighty".