1339864 has 8 divisors (see below), whose sum is σ = 2512260. Its totient is φ = 669928.

The previous prime is 1339859. The next prime is 1339873. The reversal of 1339864 is 4689331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83734 + ... + 83749.

2^1339864 is an apocalyptic number.

It is an amenable number.

1339864 is a deficient number, since it is larger than the sum of its proper divisors (1172396).

1339864 is a wasteful number, since it uses less digits than its factorization.

1339864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167489 (or 167485 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 1339864 is about 1157.5249457355. The cubic root of 1339864 is about 110.2436472568.

The spelling of 1339864 in words is "one million, three hundred thirty-nine thousand, eight hundred sixty-four".