1379722 has 8 divisors (see below), whose sum is σ = 2088900. Its totient is φ = 683424.

The previous prime is 1379699. The next prime is 1379753. The reversal of 1379722 is 2279731.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 77841 = 1141^2 + 279^2 .

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

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, 2947 + ... + 3382.

2^1379722 is an apocalyptic number.

1379722 is a deficient number, since it is larger than the sum of its proper divisors (709178).

1379722 is a wasteful number, since it uses less digits than its factorization.

1379722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440.

The product of its digits is 5292, while the sum is 31.

The square root of 1379722 is about 1174.6156818296. The cubic root of 1379722 is about 111.3261516238.

Subtracting 1379722 from its reverse (2279731), we obtain a palindrome (900009).

The spelling of 1379722 in words is "one million, three hundred seventy-nine thousand, seven hundred twenty-two".