744396 has 48 divisors (see below), whose sum is σ = 1905120. Its totient is φ = 225280.

The previous prime is 744391. The next prime is 744397. The reversal of 744396 is 693447.

It is an Ulam number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 744396.

It is not an unprimeable number, because it can be changed into a prime (744391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8320 + ... + 8408.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁷⁴⁴³⁹⁶ 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 744396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952560).

744396 is an abundant number, since it is smaller than the sum of its proper divisors (1160724).

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

744396 is a wasteful number, since it uses less digits than its factorization.

744396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 152 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 744396 is about 862.7838663304. The cubic root of 744396 is about 90.6291715876.

The spelling of 744396 in words is "seven hundred forty-four thousand, three hundred ninety-six".