27859044 has 12 divisors (see below), whose sum is σ = 65004464. Its totient is φ = 9286344.

The previous prime is 27859043. The next prime is 27859061. The reversal of 27859044 is 44095872.

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

It is a super-2 number, since 2×27859044² = 1552252665187872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27858993 and 27859011.

It is not an unprimeable number, because it can be changed into a prime (27859043) 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, 1160782 + ... + 1160805.

Almost surely, 2^27859044 is an apocalyptic number.

It is an amenable number.

27859044 is an abundant number, since it is smaller than the sum of its proper divisors (37145420).

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

27859044 is a wasteful number, since it uses less digits than its factorization.

27859044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321594 (or 2321592 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 27859044 is about 5278.1667271885. The cubic root of 27859044 is about 303.1484856427.

The spelling of 27859044 in words is "twenty-seven million, eight hundred fifty-nine thousand, forty-four".