27398128 has 10 divisors (see below), whose sum is σ = 53083904. Its totient is φ = 13699056.

The previous prime is 27398113. The next prime is 27398143. The reversal of 27398128 is 82189372.

It is an interprime number because it is at equal distance from previous prime (27398113) and next prime (27398143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856176 + ... + 856207.

Almost surely, 2^27398128 is an apocalyptic number.

It is an amenable number.

27398128 is a deficient number, since it is larger than the sum of its proper divisors (25685776).

27398128 is a wasteful number, since it uses less digits than its factorization.

27398128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712391 (or 1712385 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 27398128 is about 5234.3221146582. The cubic root of 27398128 is about 301.4673593021.

The spelling of 27398128 in words is "twenty-seven million, three hundred ninety-eight thousand, one hundred twenty-eight".