1444290 has 32 divisors (see below), whose sum is σ = 3580416. Its totient is φ = 372480.

The previous prime is 1444279. The next prime is 1444291. The reversal of 1444290 is 924441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444290.

It is not an unprimeable number, because it can be changed into a prime (1444291) 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, 154 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (111888).

2^1444290 is an apocalyptic number.

1444290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790208).

1444290 is an abundant number, since it is smaller than the sum of its proper divisors (2136126).

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

1444290 is a wasteful number, since it uses less digits than its factorization.

1444290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1444290 is about 1201.7861706643. The cubic root of 1444290 is about 113.0363524151.

The spelling of 1444290 in words is "one million, four hundred forty-four thousand, two hundred ninety".