1000243444 has 12 divisors (see below), whose sum is σ = 1763020000. Its totient is φ = 496523448.

The previous prime is 1000243397. The next prime is 1000243457. The reversal of 1000243444 is 4443420001.

It is a super-3 number, since 3×1000243444³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898944 + ... + 900055.

Almost surely, 2^1000243444 is an apocalyptic number.

It is an amenable number.

1000243444 is a deficient number, since it is larger than the sum of its proper divisors (762776556).

1000243444 is a wasteful number, since it uses less digits than its factorization.

1000243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799142 (or 1799140 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1000243444 is about 31626.6255550604. The cubic root of 1000243444 is about 1000.0811414159.

Adding to 1000243444 its reverse (4443420001), we get a palindrome (5443663445).

The spelling of 1000243444 in words is "one billion, two hundred forty-three thousand, four hundred forty-four".