27401331 has 8 divisors (see below), whose sum is σ = 38684304. Its totient is φ = 17192960.

The previous prime is 27401323. The next prime is 27401347. The reversal of 27401331 is 13310472.

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 27401331 - 2³ = 27401323 is a prime.

It is a super-2 number, since 2×27401331² = 1501665881143122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27401298 and 27401307.

It is not an unprimeable number, because it can be changed into a prime (27401351) 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, 268590 + ... + 268691.

It is an arithmetic number, because the mean of its divisors is an integer number (4835538).

Almost surely, 2^27401331 is an apocalyptic number.

27401331 is a deficient number, since it is larger than the sum of its proper divisors (11282973).

27401331 is a wasteful number, since it uses less digits than its factorization.

27401331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537301.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 27401331 is about 5234.6280670168. The cubic root of 27401331 is about 301.4791066050.

The spelling of 27401331 in words is "twenty-seven million, four hundred one thousand, three hundred thirty-one".