1339442 has 8 divisors (see below), whose sum is σ = 2163756. Its totient is φ = 618192.

The previous prime is 1339433. The next prime is 1339463. The reversal of 1339442 is 2449331.

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 14641 = 1151^2 + 121^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 51517 = 1339442 / (1 + 3 + 3 + 9 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25733 + ... + 25784.

2^1339442 is an apocalyptic number.

1339442 is a deficient number, since it is larger than the sum of its proper divisors (824314).

1339442 is a wasteful number, since it uses less digits than its factorization.

1339442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51532.

The product of its digits is 2592, while the sum is 26.

The square root of 1339442 is about 1157.3426458919. The cubic root of 1339442 is about 110.2320720262.

The spelling of 1339442 in words is "one million, three hundred thirty-nine thousand, four hundred forty-two".