1944953238 has 48 divisors (see below), whose sum is σ = 4155684624. Its totient is φ = 606712320.

The previous prime is 1944953233. The next prime is 1944953249. The reversal of 1944953238 is 8323594491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944953233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310756 + ... + 316952.

It is an arithmetic number, because the mean of its divisors is an integer number (86576763).

Almost surely, 2^1944953238 is an apocalyptic number.

1944953238 is an abundant number, since it is smaller than the sum of its proper divisors (2210731386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1944953238 is a wasteful number, since it uses less digits than its factorization.

1944953238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417 (or 6400 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 1944953238 is about 44101.6239837038. The cubic root of 1944953238 is about 1248.2542538045.

The spelling of 1944953238 in words is "one billion, nine hundred forty-four million, nine hundred fifty-three thousand, two hundred thirty-eight".