2705988 has 12 divisors (see below), whose sum is σ = 6314000. Its totient is φ = 901992.

The previous prime is 2705981. The next prime is 2705993. The reversal of 2705988 is 8895072.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2705988² = 14644742112288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2705981) 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, 112738 + ... + 112761.

2^2705988 is an apocalyptic number.

It is an amenable number.

2705988 is an abundant number, since it is smaller than the sum of its proper divisors (3608012).

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

2705988 is a wasteful number, since it uses less digits than its factorization.

2705988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225506 (or 225504 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2705988 is about 1644.9887537609. The cubic root of 2705988 is about 139.3505291283.

The spelling of 2705988 in words is "two million, seven hundred five thousand, nine hundred eighty-eight".