938473840 has 80 divisors (see below), whose sum is σ = 2303200800. Its totient is φ = 354640896.

The previous prime is 938473787. The next prime is 938473841. The reversal of 938473840 is 48374839.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938473841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773074 + ... + 774286.

It is an arithmetic number, because the mean of its divisors is an integer number (28790010).

Almost surely, 2^938473840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938473840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151600400).

938473840 is an abundant number, since it is smaller than the sum of its proper divisors (1364726960).

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

938473840 is a wasteful number, since it uses less digits than its factorization.

938473840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 938473840 is about 30634.5203977474. The cubic root of 938473840 is about 979.0556778821.

The spelling of 938473840 in words is "nine hundred thirty-eight million, four hundred seventy-three thousand, eight hundred forty".