27994090 has 8 divisors (see below), whose sum is σ = 50389380. Its totient is φ = 11197632.

The previous prime is 27994081. The next prime is 27994111. The reversal of 27994090 is 9049972.

It can be written as a sum of positive squares in 2 ways, for example, as 26842761 + 1151329 = 5181^2 + 1073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1399695 + ... + 1399714.

Almost surely, 2^27994090 is an apocalyptic number.

27994090 is a deficient number, since it is larger than the sum of its proper divisors (22395290).

27994090 is a wasteful number, since it uses less digits than its factorization.

27994090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799416.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 27994090 is about 5290.9441501494. The cubic root of 27994090 is about 303.6375311118.

It can be divided in two parts, 2799 and 4090, that added together give a square (6889 = 83²).

The spelling of 27994090 in words is "twenty-seven million, nine hundred ninety-four thousand, ninety".