27896901 has 4 divisors (see below), whose sum is σ = 37195872. Its totient is φ = 18597932.

The previous prime is 27896879. The next prime is 27896903. The reversal of 27896901 is 10969872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27896901 - 2⁷ = 27896773 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27896903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649481 + ... + 4649486.

It is an arithmetic number, because the mean of its divisors is an integer number (9298968).

Almost surely, 2^27896901 is an apocalyptic number.

It is an amenable number.

27896901 is a deficient number, since it is larger than the sum of its proper divisors (9298971).

27896901 is an equidigital number, since it uses as much as digits as its factorization.

27896901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298970.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 27896901 is about 5281.7516980638. The cubic root of 27896901 is about 303.2857372757.

It can be divided in two parts, 278 and 96901, that added together give a palindrome (97179).

The spelling of 27896901 in words is "twenty-seven million, eight hundred ninety-six thousand, nine hundred one".