2905986 has 16 divisors (see below), whose sum is σ = 5911200. Its totient is φ = 952128.

The previous prime is 2905961. The next prime is 2905999. The reversal of 2905986 is 6895092.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751 + ... + 4458.

It is an arithmetic number, because the mean of its divisors is an integer number (369450).

2^2905986 is an apocalyptic number.

2905986 is an abundant number, since it is smaller than the sum of its proper divisors (3005214).

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

2905986 is a wasteful number, since it uses less digits than its factorization.

2905986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2905986 is about 1704.6952806880. The cubic root of 2905986 is about 142.7023656067.

The spelling of 2905986 in words is "two million, nine hundred five thousand, nine hundred eighty-six".