27999652 has 12 divisors (see below), whose sum is σ = 49038976. Its totient is φ = 13988520.

The previous prime is 27999637. The next prime is 27999677. The reversal of 27999652 is 25699972.

It is a super-2 number, since 2×27999652² = 1567961024242208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27999596 and 27999605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5413 + ... + 9235.

Almost surely, 2^27999652 is an apocalyptic number.

It is an amenable number.

27999652 is a deficient number, since it is larger than the sum of its proper divisors (21039324).

27999652 is a wasteful number, since it uses less digits than its factorization.

27999652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5656 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 27999652 is about 5291.4697391179. The cubic root of 27999652 is about 303.6576391669.

The spelling of 27999652 in words is "twenty-seven million, nine hundred ninety-nine thousand, six hundred fifty-two".