27994841 has 16 divisors (see below), whose sum is σ = 34207488. Its totient is φ = 22387200.

The previous prime is 27994819. The next prime is 27994853. The reversal of 27994841 is 14849972.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27994841 is a prime.

It is a super-2 number, since 2×27994841² = 1567422245230562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27994792 and 27994801.

It is not an unprimeable number, because it can be changed into a prime (27994871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481 + ... + 8721.

It is an arithmetic number, because the mean of its divisors is an integer number (2137968).

Almost surely, 2^27994841 is an apocalyptic number.

It is an amenable number.

27994841 is a deficient number, since it is larger than the sum of its proper divisors (6212647).

27994841 is a wasteful number, since it uses less digits than its factorization.

27994841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312.

The product of its digits is 145152, while the sum is 44.

The square root of 27994841 is about 5291.0151199935. The cubic root of 27994841 is about 303.6402463248.

The spelling of 27994841 in words is "twenty-seven million, nine hundred ninety-four thousand, eight hundred forty-one".