27863434 has 4 divisors (see below), whose sum is σ = 41795154. Its totient is φ = 13931716.

The previous prime is 27863431. The next prime is 27863467. The reversal of 27863434 is 43436872.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 8105409 = 4445^2 + 2847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27863393 and 27863402.

It is not an unprimeable number, because it can be changed into a prime (27863431) by changing a digit.

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 as a sum of consecutive naturals, namely, 6965857 + ... + 6965860.

Almost surely, 2^27863434 is an apocalyptic number.

27863434 is a deficient number, since it is larger than the sum of its proper divisors (13931720).

27863434 is a wasteful number, since it uses less digits than its factorization.

27863434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931719.

The product of its digits is 96768, while the sum is 37.

The square root of 27863434 is about 5278.5825748964. The cubic root of 27863434 is about 303.1644080837.

The spelling of 27863434 in words is "twenty-seven million, eight hundred sixty-three thousand, four hundred thirty-four".