27050389 has 8 divisors (see below), whose sum is σ = 27587768. Its totient is φ = 26516160.

The previous prime is 27050381. The next prime is 27050431. The reversal of 27050389 is 98305072.

It can be written as a sum of positive squares in 4 ways, for example, as 321489 + 26728900 = 567^2 + 5170^2 .

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 27050389 - 2³ = 27050381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27050381) 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, 23659 + ... + 24775.

It is an arithmetic number, because the mean of its divisors is an integer number (3448471).

Almost surely, 2^27050389 is an apocalyptic number.

It is an amenable number.

27050389 is a deficient number, since it is larger than the sum of its proper divisors (537379).

27050389 is a wasteful number, since it uses less digits than its factorization.

27050389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 27050389 is about 5200.9988463756. The cubic root of 27050389 is about 300.1865099487.

The spelling of 27050389 in words is "twenty-seven million, fifty thousand, three hundred eighty-nine".