944538738 has 64 divisors (see below), whose sum is σ = 2279394432. Its totient is φ = 257057280.

The previous prime is 944538713. The next prime is 944538779. The reversal of 944538738 is 837835449.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16870 + ... + 46622.

It is an arithmetic number, because the mean of its divisors is an integer number (35615538).

Almost surely, 2^944538738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 944538738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139697216).

944538738 is an abundant number, since it is smaller than the sum of its proper divisors (1334855694).

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

944538738 is a wasteful number, since it uses less digits than its factorization.

944538738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29819.

The product of its digits is 2903040, while the sum is 51.

The square root of 944538738 is about 30733.3489551660. The cubic root of 944538738 is about 981.1602037292.

The spelling of 944538738 in words is "nine hundred forty-four million, five hundred thirty-eight thousand, seven hundred thirty-eight".