813802 has 16 divisors (see below), whose sum is σ = 1353024. Its totient is φ = 364000.

The previous prime is 813797. The next prime is 813811. The reversal of 813802 is 208318.

813802 is nontrivially palindromic in base 5.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

813802 is an undulating number in base 5.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 1822.

It is an arithmetic number, because the mean of its divisors is an integer number (84564).

2⁸¹³⁸⁰² is an apocalyptic number.

813802 is a deficient number, since it is larger than the sum of its proper divisors (539222).

813802 is a wasteful number, since it uses less digits than its factorization.

813802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 813802 is about 902.1097494208. The cubic root of 813802 is about 93.3625956998.

It can be divided in two parts, 81 and 3802, that added together give a palindrome (3883).

The spelling of 813802 in words is "eight hundred thirteen thousand, eight hundred two".