814961 has 4 divisors (see below), whose sum is σ = 931392. Its totient is φ = 698532.

The previous prime is 814949. The next prime is 814991. The reversal of 814961 is 169418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814961 is a prime.

It is a super-2 number, since 2×814961² = 1328322863042, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (814901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58205 + ... + 58218.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2⁸¹⁴⁹⁶¹ is an apocalyptic number.

It is an amenable number.

814961 is a deficient number, since it is larger than the sum of its proper divisors (116431).

814961 is a wasteful number, since it uses less digits than its factorization.

814961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116430.

The product of its digits is 1728, while the sum is 29.

The square root of 814961 is about 902.7519039027. The cubic root of 814961 is about 93.4068963693.

The spelling of 814961 in words is "eight hundred fourteen thousand, nine hundred sixty-one".