27953994 has 16 divisors (see below), whose sum is σ = 56452032. Its totient is φ = 9227328.

The previous prime is 27953977. The next prime is 27954029. The reversal of 27953994 is 49935972.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21999 + ... + 23234.

It is an arithmetic number, because the mean of its divisors is an integer number (3528252).

Almost surely, 2^27953994 is an apocalyptic number.

27953994 is an abundant number, since it is smaller than the sum of its proper divisors (28498038).

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

27953994 is a wasteful number, since it uses less digits than its factorization.

27953994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45341.

The product of its digits is 612360, while the sum is 48.

The square root of 27953994 is about 5287.1536766014. The cubic root of 27953994 is about 303.4924949313.

The spelling of 27953994 in words is "twenty-seven million, nine hundred fifty-three thousand, nine hundred ninety-four".