27696401 has 2 divisors, whose sum is σ = 27696402. Its totient is φ = 27696400.

The previous prime is 27696397. The next prime is 27696407. The reversal of 27696401 is 10469672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27552001 + 144400 = 5249^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 27696401 - 2² = 27696397 is a prime.

It is not a weakly prime, because it can be changed into another prime (27696407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13848200 + 13848201.

It is an arithmetic number, because the mean of its divisors is an integer number (13848201).

Almost surely, 2^27696401 is an apocalyptic number.

It is an amenable number.

27696401 is a deficient number, since it is larger than the sum of its proper divisors (1).

27696401 is an equidigital number, since it uses as much as digits as its factorization.

27696401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27696401 is about 5262.7370255410. The cubic root of 27696401 is about 302.5574000312.

The spelling of 27696401 in words is "twenty-seven million, six hundred ninety-six thousand, four hundred one".