27603996 has 24 divisors (see below), whose sum is σ = 73610880. Its totient is φ = 7886832.

The previous prime is 27603991. The next prime is 27604033. The reversal of 27603996 is 69930672.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27603991) 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 in 7 ways as a sum of consecutive naturals, for example, 164226 + ... + 164393.

It is an arithmetic number, because the mean of its divisors is an integer number (3067120).

Almost surely, 2^27603996 is an apocalyptic number.

It is an amenable number.

27603996 is an abundant number, since it is smaller than the sum of its proper divisors (46006884).

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

27603996 is a wasteful number, since it uses less digits than its factorization.

27603996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328633 (or 328631 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 27603996 is about 5253.9505136611. The cubic root of 27603996 is about 302.2205455942.

The spelling of 27603996 in words is "twenty-seven million, six hundred three thousand, nine hundred ninety-six".