1023944 has 16 divisors (see below), whose sum is σ = 2033100. Its totient is φ = 481792.

The previous prime is 1023943. The next prime is 1023947. The reversal of 1023944 is 4493201.

It can be written as a sum of positive squares in 2 ways, for example, as 1020100 + 3844 = 1010^2 + 62^2 .

It is a super-2 number, since 2×1023944² = 2096922630272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629 + ... + 3900.

2^1023944 is an apocalyptic number.

It is an amenable number.

1023944 is a deficient number, since it is larger than the sum of its proper divisors (1009156).

1023944 is a wasteful number, since it uses less digits than its factorization.

1023944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7548 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1023944 is about 1011.9011809460. The cubic root of 1023944 is about 100.7918465732.

The spelling of 1023944 in words is "one million, twenty-three thousand, nine hundred forty-four".