27898906 has 8 divisors (see below), whose sum is σ = 47826720. Its totient is φ = 11956668.

The previous prime is 27898903. The next prime is 27898933. The reversal of 27898906 is 60989872.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27898906.

It is not an unprimeable number, because it can be changed into a prime (27898903) 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, 996376 + ... + 996403.

It is an arithmetic number, because the mean of its divisors is an integer number (5978340).

Almost surely, 2^27898906 is an apocalyptic number.

27898906 is a deficient number, since it is larger than the sum of its proper divisors (19927814).

27898906 is a wasteful number, since it uses less digits than its factorization.

27898906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992788.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 27898906 is about 5281.9414991081. The cubic root of 27898906 is about 303.2930029972.

The spelling of 27898906 in words is "twenty-seven million, eight hundred ninety-eight thousand, nine hundred six".