1339868 has 12 divisors (see below), whose sum is σ = 2363592. Its totient is φ = 664560.

The previous prime is 1339859. The next prime is 1339873. The reversal of 1339868 is 8689331.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (196966).

2^1339868 is an apocalyptic number.

It is an amenable number.

1339868 is a deficient number, since it is larger than the sum of its proper divisors (1023724).

1339868 is a wasteful number, since it uses less digits than its factorization.

1339868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2690 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 1339868 is about 1157.5266735588. The cubic root of 1339868 is about 110.2437569630.

It can be divided in two parts, 133 and 9868, that added together give a palindrome (10001).

The spelling of 1339868 in words is "one million, three hundred thirty-nine thousand, eight hundred sixty-eight".