1401744 has 80 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 419328.

The previous prime is 1401739. The next prime is 1401761. The reversal of 1401744 is 4471041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401744.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26422 + ... + 26474.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2^1401744 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 1401744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008800).

1401744 is an abundant number, since it is smaller than the sum of its proper divisors (2615856).

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

1401744 is a wasteful number, since it uses less digits than its factorization.

1401744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 1401744 is about 1183.9527017580. The cubic root of 1401744 is about 111.9153271593.

Adding to 1401744 its reverse (4471041), we get a palindrome (5872785).

It can be divided in two parts, 1401 and 744, that added together give a triangular number (2145 = T₆₅).

The spelling of 1401744 in words is "one million, four hundred one thousand, seven hundred forty-four".