27934830 has 192 divisors, whose sum is σ = 94348800. Its totient is φ = 5564160.

The previous prime is 27934799. The next prime is 27934831. The reversal of 27934830 is 3843972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27934831) 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 95 ways as a sum of consecutive naturals, for example, 200901 + ... + 201039.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^27934830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27934830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47174400).

27934830 is an abundant number, since it is smaller than the sum of its proper divisors (66413970).

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

27934830 is a wasteful number, since it uses less digits than its factorization.

27934830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 27934830 is about 5285.3410485985. The cubic root of 27934830 is about 303.4231254789.

It can be divided in two parts, 279348 and 30, that added together give a triangular number (279378 = T₇₄₇).

The spelling of 27934830 in words is "twenty-seven million, nine hundred thirty-four thousand, eight hundred thirty".