27948906 has 24 divisors (see below), whose sum is σ = 60661380. Its totient is φ = 9300096.

The previous prime is 27948889. The next prime is 27948913. The reversal of 27948906 is 60984972.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25918281 + 2030625 = 5091^2 + 1425^2 .

It is a super-2 number, since 2×27948906² = 1562282693193672, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13986 + ... + 15858.

Almost surely, 2^27948906 is an apocalyptic number.

27948906 is an abundant number, since it is smaller than the sum of its proper divisors (32712474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27948906 is a wasteful number, since it uses less digits than its factorization.

27948906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 27948906 is about 5286.6724884373. The cubic root of 27948906 is about 303.4740805858.

The spelling of 27948906 in words is "twenty-seven million, nine hundred forty-eight thousand, nine hundred six".