27009486 has 72 divisors (see below), whose sum is σ = 68930784. Its totient is φ = 7620480.

The previous prime is 27009473. The next prime is 27009491. The reversal of 27009486 is 68490072.

It is a self number, because there is not a number n which added to its sum of digits gives 27009486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99531 + ... + 99801.

It is an arithmetic number, because the mean of its divisors is an integer number (957372).

Almost surely, 2^27009486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27009486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34465392).

27009486 is an abundant number, since it is smaller than the sum of its proper divisors (41921298).

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

27009486 is a wasteful number, since it uses less digits than its factorization.

27009486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 27009486 is about 5197.0651333228. The cubic root of 27009486 is about 300.0351292196.

It can be divided in two parts, 27009 and 486, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 27009486 in words is "twenty-seven million, nine thousand, four hundred eighty-six".