1946999944 has 32 divisors (see below), whose sum is σ = 3752512920. Its totient is φ = 946656256.

The previous prime is 1946999917. The next prime is 1946999969. The reversal of 1946999944 is 4499996491.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 617522500 + 1329477444 = 24850^2 + 36462^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27594 + ... + 68230.

Almost surely, 2^1946999944 is an apocalyptic number.

It is an amenable number.

1946999944 is a deficient number, since it is larger than the sum of its proper divisors (1805512976).

1946999944 is a wasteful number, since it uses less digits than its factorization.

1946999944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40809 (or 40805 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 64.

The square root of 1946999944 is about 44124.8223112570. The cubic root of 1946999944 is about 1248.6919530747.

The spelling of 1946999944 in words is "one billion, nine hundred forty-six million, nine hundred ninety-nine thousand, nine hundred forty-four".