27039469 has 8 divisors (see below), whose sum is σ = 28677240. Its totient is φ = 25406976.

The previous prime is 27039407. The next prime is 27039479. The reversal of 27039469 is 96493072.

It can be written as a sum of positive squares in 4 ways, for example, as 6563844 + 20475625 = 2562^2 + 4525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27039469 - 2²¹ = 24942317 is a prime.

It is a super-2 number, since 2×27039469² = 1462265767603922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27039479) 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, 15367 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (3584655).

Almost surely, 2^27039469 is an apocalyptic number.

It is an amenable number.

27039469 is a deficient number, since it is larger than the sum of its proper divisors (1637771).

27039469 is a wasteful number, since it uses less digits than its factorization.

27039469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 27039469 is about 5199.9489420570. The cubic root of 27039469 is about 300.1461103092.

The spelling of 27039469 in words is "twenty-seven million, thirty-nine thousand, four hundred sixty-nine".