1339478 has 16 divisors (see below), whose sum is σ = 2311584. Its totient is φ = 570240.

The previous prime is 1339463. The next prime is 1339487. The reversal of 1339478 is 8749331.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176 + ... + 3572.

It is an arithmetic number, because the mean of its divisors is an integer number (144474).

2^1339478 is an apocalyptic number.

1339478 is a deficient number, since it is larger than the sum of its proper divisors (972106).

1339478 is a wasteful number, since it uses less digits than its factorization.

1339478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its digits is 18144, while the sum is 35.

The square root of 1339478 is about 1157.3581986576. The cubic root of 1339478 is about 110.2330595815.

The spelling of 1339478 in words is "one million, three hundred thirty-nine thousand, four hundred seventy-eight".