1358244 has 36 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 436800.

The previous prime is 1358221. The next prime is 1358251. The reversal of 1358244 is 4428531.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 1127844 = 480^2 + 1062^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394 + ... + 1694.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^1358244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777230).

1358244 is an abundant number, since it is smaller than the sum of its proper divisors (2196216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1358244 is a wasteful number, since it uses less digits than its factorization.

1358244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1335 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1358244 is about 1165.4372569984. The cubic root of 1358244 is about 110.7454600880.

The spelling of 1358244 in words is "one million, three hundred fifty-eight thousand, two hundred forty-four".