1339738 has 4 divisors (see below), whose sum is σ = 2009610. Its totient is φ = 669868.

The previous prime is 1339729. The next prime is 1339759. The reversal of 1339738 is 8379331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 1089 = 1157^2 + 33^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334933 + ... + 334936.

2^1339738 is an apocalyptic number.

1339738 is a deficient number, since it is larger than the sum of its proper divisors (669872).

1339738 is an equidigital number, since it uses as much as digits as its factorization.

1339738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669871.

The product of its digits is 13608, while the sum is 34.

The square root of 1339738 is about 1157.4705179831. The cubic root of 1339738 is about 110.2401913998.

The spelling of 1339738 in words is "one million, three hundred thirty-nine thousand, seven hundred thirty-eight".