1944697958 has 16 divisors (see below), whose sum is σ = 3349572864. Its totient is φ = 829490760.

The previous prime is 1944697957. The next prime is 1944697967. The reversal of 1944697958 is 8597964491.

It is a self number, because there is not a number n which added to its sum of digits gives 1944697958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944697957) 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 7 ways as a sum of consecutive naturals, for example, 326210 + ... + 332117.

It is an arithmetic number, because the mean of its divisors is an integer number (209348304).

Almost surely, 2^1944697958 is an apocalyptic number.

1944697958 is a deficient number, since it is larger than the sum of its proper divisors (1404874906).

1944697958 is a wasteful number, since it uses less digits than its factorization.

1944697958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658547.

The product of its digits is 19595520, while the sum is 62.

The square root of 1944697958 is about 44098.7296642432. The cubic root of 1944697958 is about 1248.1996392458.

The spelling of 1944697958 in words is "one billion, nine hundred forty-four million, six hundred ninety-seven thousand, nine hundred fifty-eight".