1304486 has 4 divisors (see below), whose sum is σ = 1956732. Its totient is φ = 652242.

The previous prime is 1304477. The next prime is 1304503. The reversal of 1304486 is 6844031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326120 + ... + 326123.

It is an arithmetic number, because the mean of its divisors is an integer number (489183).

2^1304486 is an apocalyptic number.

1304486 is the 611-st centered heptagonal number.

1304486 is a deficient number, since it is larger than the sum of its proper divisors (652246).

1304486 is an equidigital number, since it uses as much as digits as its factorization.

1304486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652245.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1304486 is about 1142.1409720345. The cubic root of 1304486 is about 109.2646823472.

The spelling of 1304486 in words is "one million, three hundred four thousand, four hundred eighty-six".