2009056 has 24 divisors (see below), whose sum is σ = 4520880. Its totient is φ = 860928.

The previous prime is 2009039. The next prime is 2009069. The reversal of 2009056 is 6509002.

It is a super-2 number, since 2×2009056² = 8072612022272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4261 + ... + 4708.

It is an arithmetic number, because the mean of its divisors is an integer number (188370).

2^2009056 is an apocalyptic number.

It is an amenable number.

2009056 is an abundant number, since it is smaller than the sum of its proper divisors (2511824).

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

2009056 is an equidigital number, since it uses as much as digits as its factorization.

2009056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8986 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2009056 is about 1417.4117256464. The cubic root of 2009056 is about 126.1819827721.

The spelling of 2009056 in words is "two million, nine thousand, fifty-six".