27940650 has 24 divisors (see below), whose sum is σ = 69293184. Its totient is φ = 7450800.

The previous prime is 27940643. The next prime is 27940657. The reversal of 27940650 is 5604972.

It is an interprime number because it is at equal distance from previous prime (27940643) and next prime (27940657).

It is not an unprimeable number, because it can be changed into a prime (27940657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92986 + ... + 93285.

It is an arithmetic number, because the mean of its divisors is an integer number (2887216).

Almost surely, 2^27940650 is an apocalyptic number.

27940650 is an abundant number, since it is smaller than the sum of its proper divisors (41352534).

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

27940650 is a wasteful number, since it uses less digits than its factorization.

27940650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186286 (or 186281 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 27940650 is about 5285.8915993425. The cubic root of 27940650 is about 303.4441959486. Note that the first 3 decimals are identical.

The spelling of 27940650 in words is "twenty-seven million, nine hundred forty thousand, six hundred fifty".