27428898 has 32 divisors (see below), whose sum is σ = 62853120. Its totient is φ = 7817040.

The previous prime is 27428887. The next prime is 27428899. The reversal of 27428898 is 89882472.

It is not an unprimeable number, because it can be changed into a prime (27428899) 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, 27183 + ... + 28173.

It is an arithmetic number, because the mean of its divisors is an integer number (1964160).

Almost surely, 2^27428898 is an apocalyptic number.

27428898 is an abundant number, since it is smaller than the sum of its proper divisors (35424222).

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

27428898 is a wasteful number, since it uses less digits than its factorization.

27428898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its digits is 516096, while the sum is 48.

The square root of 27428898 is about 5237.2605434521. The cubic root of 27428898 is about 301.5801733385.

The spelling of 27428898 in words is "twenty-seven million, four hundred twenty-eight thousand, eight hundred ninety-eight".