814904 has 8 divisors (see below), whose sum is σ = 1527960. Its totient is φ = 407448.

The previous prime is 814903. The next prime is 814927. The reversal of 814904 is 409418.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50924 + ... + 50939.

It is an arithmetic number, because the mean of its divisors is an integer number (190995).

2⁸¹⁴⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

814904 is a deficient number, since it is larger than the sum of its proper divisors (713056).

814904 is a wasteful number, since it uses less digits than its factorization.

814904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101869 (or 101865 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 814904 is about 902.7203332151. The cubic root of 814904 is about 93.4047186302.

The spelling of 814904 in words is "eight hundred fourteen thousand, nine hundred four".