27899946 has 12 divisors (see below), whose sum is σ = 60449922. Its totient is φ = 9299976.

The previous prime is 27899933. The next prime is 27899951. The reversal of 27899946 is 64999872.

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 5574321 = 4725^2 + 2361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27899892 and 27899901.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774981 + ... + 775016.

Almost surely, 2^27899946 is an apocalyptic number.

27899946 is an abundant number, since it is smaller than the sum of its proper divisors (32549976).

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

27899946 is a wasteful number, since it uses less digits than its factorization.

27899946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550005 (or 1550002 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 27899946 is about 5282.0399468387. The cubic root of 27899946 is about 303.2967716134.

The spelling of 27899946 in words is "twenty-seven million, eight hundred ninety-nine thousand, nine hundred forty-six".