27940229 has 8 divisors (see below), whose sum is σ = 28698432. Its totient is φ = 27185760.

The previous prime is 27940201. The next prime is 27940247. The reversal of 27940229 is 92204972.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27940229 - 2¹² = 27936133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27940249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20792 + ... + 22094.

It is an arithmetic number, because the mean of its divisors is an integer number (3587304).

Almost surely, 2^27940229 is an apocalyptic number.

It is an amenable number.

27940229 is a deficient number, since it is larger than the sum of its proper divisors (758203).

27940229 is a wasteful number, since it uses less digits than its factorization.

27940229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 27940229 is about 5285.8517762041. The cubic root of 27940229 is about 303.4426718770.

The spelling of 27940229 in words is "twenty-seven million, nine hundred forty thousand, two hundred twenty-nine".