2609982 has 20 divisors (see below), whose sum is σ = 5848656. Its totient is φ = 869940.

The previous prime is 2609963. The next prime is 2609989. The reversal of 2609982 is 2899062.

It is a super-3 number, since 3×2609982³ = 53337639447410742504, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609989) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7894 + ... + 8217.

2^2609982 is an apocalyptic number.

2609982 is an abundant number, since it is smaller than the sum of its proper divisors (3238674).

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

2609982 is a wasteful number, since it uses less digits than its factorization.

2609982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125 (or 16116 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2609982 is about 1615.5438712706. The cubic root of 2609982 is about 137.6826355423.

The spelling of 2609982 in words is "two million, six hundred nine thousand, nine hundred eighty-two".