1356944 has 10 divisors (see below), whose sum is σ = 2629110. Its totient is φ = 678464.

The previous prime is 1356919. The next prime is 1356947. The reversal of 1356944 is 4496531.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 473344 = 940^2 + 688^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1356944.

It is not an unprimeable number, because it can be changed into a prime (1356947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42389 + ... + 42420.

It is an arithmetic number, because the mean of its divisors is an integer number (262911).

2^1356944 is an apocalyptic number.

It is an amenable number.

1356944 is a deficient number, since it is larger than the sum of its proper divisors (1272166).

1356944 is an equidigital number, since it uses as much as digits as its factorization.

1356944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84817 (or 84811 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1356944 is about 1164.8793928987. The cubic root of 1356944 is about 110.7101166459.

The spelling of 1356944 in words is "one million, three hundred fifty-six thousand, nine hundred forty-four".