1353444 has 12 divisors (see below), whose sum is σ = 3158064. Its totient is φ = 451144.

The previous prime is 1353433. The next prime is 1353449. The reversal of 1353444 is 4443531.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1353444² = 3663621322272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1353449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56382 + ... + 56405.

It is an arithmetic number, because the mean of its divisors is an integer number (263172).

2^1353444 is an apocalyptic number.

It is an amenable number.

1353444 is an abundant number, since it is smaller than the sum of its proper divisors (1804620).

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

1353444 is a wasteful number, since it uses less digits than its factorization.

1353444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112794 (or 112792 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 1353444 is about 1163.3761214672. The cubic root of 1353444 is about 110.6148488882.

Adding to 1353444 its reverse (4443531), we get a palindrome (5796975).

The spelling of 1353444 in words is "one million, three hundred fifty-three thousand, four hundred forty-four".