814147 has 8 divisors (see below), whose sum is σ = 873936. Its totient is φ = 755712.

The previous prime is 814139. The next prime is 814171. The reversal of 814147 is 741418.

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 814147 - 2³ = 814139 is a prime.

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

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814127) 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, 1123 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (109242).

2⁸¹⁴¹⁴⁷ is an apocalyptic number.

814147 is a deficient number, since it is larger than the sum of its proper divisors (59789).

814147 is a wasteful number, since it uses less digits than its factorization.

814147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 896, while the sum is 25.

The square root of 814147 is about 902.3009475779. The cubic root of 814147 is about 93.3757870924.

It can be divided in two parts, 814 and 147, that added together give a square (961 = 31²).

The spelling of 814147 in words is "eight hundred fourteen thousand, one hundred forty-seven".