1944962387 has 12 divisors (see below), whose sum is σ = 2047502928. Its totient is φ = 1846180800.

The previous prime is 1944962381. The next prime is 1944962399. The reversal of 1944962387 is 7832694491.

It is a de Polignac number, because none of the positive numbers 2^k-1944962387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1944962381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46562 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (170625244).

Almost surely, 2^1944962387 is an apocalyptic number.

1944962387 is a deficient number, since it is larger than the sum of its proper divisors (102540541).

1944962387 is an equidigital number, since it uses as much as digits as its factorization.

1944962387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31390 (or 31349 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 1944962387 is about 44101.7277099208. The cubic root of 1944962387 is about 1248.2562110513.

The spelling of 1944962387 in words is "one billion, nine hundred forty-four million, nine hundred sixty-two thousand, three hundred eighty-seven".