27738396 has 48 divisors (see below), whose sum is σ = 82190080. Its totient is φ = 7925040.

The previous prime is 27738383. The next prime is 27738409. The reversal of 27738396 is 69383772.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27738383) and next prime (27738409).

It is a super-2 number, since 2×27738396² = 1538837225305632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17590 + ... + 19101.

Almost surely, 2^27738396 is an apocalyptic number.

It is an amenable number.

27738396 is an abundant number, since it is smaller than the sum of its proper divisors (54451684).

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

27738396 is a wasteful number, since it uses less digits than its factorization.

27738396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36711 (or 36703 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 27738396 is about 5266.7253583228. The cubic root of 27738396 is about 302.7102415694.

The spelling of 27738396 in words is "twenty-seven million, seven hundred thirty-eight thousand, three hundred ninety-six".