27897494 has 4 divisors (see below), whose sum is σ = 41846244. Its totient is φ = 13948746.

The previous prime is 27897479. The next prime is 27897509. The reversal of 27897494 is 49479872.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (27897479) and next prime (27897509).

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, 6974372 + ... + 6974375.

It is an arithmetic number, because the mean of its divisors is an integer number (10461561).

Almost surely, 2^27897494 is an apocalyptic number.

27897494 is a deficient number, since it is larger than the sum of its proper divisors (13948750).

27897494 is a wasteful number, since it uses less digits than its factorization.

27897494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13948749.

The product of its digits is 1016064, while the sum is 50.

The square root of 27897494 is about 5281.8078344446. The cubic root of 27897494 is about 303.2878862261.

The spelling of 27897494 in words is "twenty-seven million, eight hundred ninety-seven thousand, four hundred ninety-four".