1339445 has 8 divisors (see below), whose sum is σ = 1628160. Its totient is φ = 1057680.

The previous prime is 1339433. The next prime is 1339463. The reversal of 1339445 is 5449331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1339445 - 2⁶ = 1339381 is a prime.

It is a super-2 number, since 2×1339445² = 3588225816050, which contains 22 as substring.

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, 1301 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (203520).

2^1339445 is an apocalyptic number.

It is an amenable number.

1339445 is a deficient number, since it is larger than the sum of its proper divisors (288715).

1339445 is an equidigital number, since it uses as much as digits as its factorization.

1339445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475.

The product of its digits is 6480, while the sum is 29.

The square root of 1339445 is about 1157.3439419637. The cubic root of 1339445 is about 110.2321543231.

The spelling of 1339445 in words is "one million, three hundred thirty-nine thousand, four hundred forty-five".