27378396 has 18 divisors (see below), whose sum is σ = 69206592. Its totient is φ = 9126120.

The previous prime is 27378391. The next prime is 27378397. The reversal of 27378396 is 69387372.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27378391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380220 + ... + 380291.

Almost surely, 2^27378396 is an apocalyptic number.

It is an amenable number.

27378396 is an abundant number, since it is smaller than the sum of its proper divisors (41828196).

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

27378396 is a wasteful number, since it uses less digits than its factorization.

27378396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760521 (or 760516 counting only the distinct ones).

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

The square root of 27378396 is about 5232.4369083631. The cubic root of 27378396 is about 301.3949701405.

The spelling of 27378396 in words is "twenty-seven million, three hundred seventy-eight thousand, three hundred ninety-six".