27696396 has 72 divisors (see below), whose sum is σ = 80016384. Its totient is φ = 7300800.

The previous prime is 27696367. The next prime is 27696397. The reversal of 27696396 is 69369672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27696397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13221 + ... + 15171.

Almost surely, 2^27696396 is an apocalyptic number.

27696396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27696396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40008192).

27696396 is an abundant number, since it is smaller than the sum of its proper divisors (52319988).

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

27696396 is a wasteful number, since it uses less digits than its factorization.

27696396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1976 counting only the distinct ones).

The product of its digits is 734832, while the sum is 48.

The square root of 27696396 is about 5262.7365505030. The cubic root of 27696396 is about 302.5573818244.

The spelling of 27696396 in words is "twenty-seven million, six hundred ninety-six thousand, three hundred ninety-six".