807490 has 8 divisors (see below), whose sum is σ = 1453500. Its totient is φ = 322992.

The previous prime is 807487. The next prime is 807491. The reversal of 807490 is 94708.

It can be written as a sum of positive squares in 2 ways, for example, as 776161 + 31329 = 881^2 + 177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (807491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40365 + ... + 40384.

2⁸⁰⁷⁴⁹⁰ is an apocalyptic number.

807490 is a deficient number, since it is larger than the sum of its proper divisors (646010).

807490 is a wasteful number, since it uses less digits than its factorization.

807490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80756.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 807490 is about 898.6044736145. The cubic root of 807490 is about 93.1205897045.

The spelling of 807490 in words is "eight hundred seven thousand, four hundred ninety".