27797398 has 16 divisors (see below), whose sum is σ = 42989760. Its totient is φ = 13473216.

The previous prime is 27797389. The next prime is 27797411. The reversal of 27797398 is 89379772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8890 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (2686860).

Almost surely, 2^27797398 is an apocalyptic number.

27797398 is a deficient number, since it is larger than the sum of its proper divisors (15192362).

27797398 is a wasteful number, since it uses less digits than its factorization.

27797398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its digits is 1333584, while the sum is 52.

The square root of 27797398 is about 5272.3237760972. The cubic root of 27797398 is about 302.9247199768.

The spelling of 27797398 in words is "twenty-seven million, seven hundred ninety-seven thousand, three hundred ninety-eight".