1926444 has 48 divisors (see below), whose sum is σ = 4953312. Its totient is φ = 579072.

The previous prime is 1926439. The next prime is 1926461. The reversal of 1926444 is 4446291.

It is a super-2 number, since 2×1926444² = 7422372970272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8152 + ... + 8384.

It is an arithmetic number, because the mean of its divisors is an integer number (103194).

2^1926444 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 1926444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476656).

1926444 is an abundant number, since it is smaller than the sum of its proper divisors (3026868).

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

1926444 is a wasteful number, since it uses less digits than its factorization.

1926444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 1926444 is about 1387.9639764778. The cubic root of 1926444 is about 124.4281936215.

The spelling of 1926444 in words is "one million, nine hundred twenty-six thousand, four hundred forty-four".