27920236 has 12 divisors (see below), whose sum is σ = 49056840. Its totient is φ = 13904000.

The previous prime is 27920231. The next prime is 27920251. The reversal of 27920236 is 63202972.

It is a junction number, because it is equal to n+sod(n) for n = 27920198 and 27920207.

It is not an unprimeable number, because it can be changed into a prime (27920231) 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, 12901 + ... + 14908.

It is an arithmetic number, because the mean of its divisors is an integer number (4088070).

Almost surely, 2^27920236 is an apocalyptic number.

It is an amenable number.

27920236 is a deficient number, since it is larger than the sum of its proper divisors (21136604).

27920236 is a wasteful number, since it uses less digits than its factorization.

27920236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28064 (or 28062 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 27920236 is about 5283.9602572313. The cubic root of 27920236 is about 303.3702771357.

The spelling of 27920236 in words is "twenty-seven million, nine hundred twenty thousand, two hundred thirty-six".