1339648 has 18 divisors (see below), whose sum is σ = 2674574. Its totient is φ = 669696.

The previous prime is 1339643. The next prime is 1339661. The reversal of 1339648 is 8469331.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 12544 = 1152^2 + 112^2 .

It is a super-3 number, since 3×1339648³ = 7212625033351397376, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1339643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361 + ... + 2872.

2^1339648 is an apocalyptic number.

It is an amenable number.

1339648 is a deficient number, since it is larger than the sum of its proper divisors (1334926).

1339648 is an frugal number, since it uses more digits than its factorization.

1339648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 5235 counting only the distinct ones).

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

The square root of 1339648 is about 1157.4316394500. The cubic root of 1339648 is about 110.2377227979.

The spelling of 1339648 in words is "one million, three hundred thirty-nine thousand, six hundred forty-eight".