1304387606 has 8 divisors (see below), whose sum is σ = 1956743040. Its totient is φ = 652139928.

The previous prime is 1304387573. The next prime is 1304387659. The reversal of 1304387606 is 6067834031.

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

It is a super-2 number, since 2×1304387606² = 3402854053372822472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1304387606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18980 + ... + 54488.

It is an arithmetic number, because the mean of its divisors is an integer number (244592880).

Almost surely, 2^1304387606 is an apocalyptic number.

1304387606 is a deficient number, since it is larger than the sum of its proper divisors (652355434).

1304387606 is a wasteful number, since it uses less digits than its factorization.

1304387606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53878.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1304387606 is about 36116.3066494901. The cubic root of 1304387606 is about 1092.6193509415.

The spelling of 1304387606 in words is "one billion, three hundred four million, three hundred eighty-seven thousand, six hundred six".