1339816 has 16 divisors (see below), whose sum is σ = 2524500. Its totient is φ = 666624.

The previous prime is 1339813. The next prime is 1339817. The reversal of 1339816 is 6189331.

It can be written as a sum of positive squares in 2 ways, for example, as 1331716 + 8100 = 1154^2 + 90^2 .

It is not an unprimeable number, because it can be changed into a prime (1339813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760 + ... + 3208.

2^1339816 is an apocalyptic number.

It is an amenable number.

1339816 is a deficient number, since it is larger than the sum of its proper divisors (1184684).

1339816 is a wasteful number, since it uses less digits than its factorization.

1339816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 824 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 1339816 is about 1157.5042116554. The cubic root of 1339816 is about 110.2423307654.

The spelling of 1339816 in words is "one million, three hundred thirty-nine thousand, eight hundred sixteen".