808461 has 14 divisors (see below), whose sum is σ = 1213230. Its totient is φ = 538488.

The previous prime is 808459. The next prime is 808481. The reversal of 808461 is 164808.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 352836 = 675^2 + 594^2 .

It is not a de Polignac number, because 808461 - 2¹ = 808459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808421) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 175 + ... + 1283.

2⁸⁰⁸⁴⁶¹ is an apocalyptic number.

808461 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

808461 is a deficient number, since it is larger than the sum of its proper divisors (404769).

808461 is an equidigital number, since it uses as much as digits as its factorization.

808461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 808461 is about 899.1445934887. The cubic root of 808461 is about 93.1579003311.

The spelling of 808461 in words is "eight hundred eight thousand, four hundred sixty-one".