1444920 has 32 divisors (see below), whose sum is σ = 4335120. Its totient is φ = 385280.

The previous prime is 1444913. The next prime is 1444943. The reversal of 1444920 is 294441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901 + ... + 6140.

2^1444920 is an apocalyptic number.

1444920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444920 is an abundant number, since it is smaller than the sum of its proper divisors (2890200).

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

1444920 is a wasteful number, since it uses less digits than its factorization.

1444920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055 (or 12051 counting only the distinct ones).

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

The square root of 1444920 is about 1202.0482519433. The cubic root of 1444920 is about 113.0527855299.

The spelling of 1444920 in words is "one million, four hundred forty-four thousand, nine hundred twenty".