27852390 has 64 divisors (see below), whose sum is σ = 76032000. Its totient is φ = 7251552.

The previous prime is 27852389. The next prime is 27852397. The reversal of 27852390 is 9325872.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27852397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10411 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (1188000).

Almost surely, 2^27852390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27852390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38016000).

27852390 is an abundant number, since it is smaller than the sum of its proper divisors (48179610).

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

27852390 is a wasteful number, since it uses less digits than its factorization.

27852390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 27852390 is about 5277.5363570515. The cubic root of 27852390 is about 303.1243485301.

The spelling of 27852390 in words is "twenty-seven million, eight hundred fifty-two thousand, three hundred ninety".