938069478 has 64 divisors (see below), whose sum is σ = 2117016000. Its totient is φ = 307867392.

The previous prime is 938069477. The next prime is 938069519. The reversal of 938069478 is 874960839.

938069478 is a `hidden beast` number, since 93 + 80 + 6 + 9 + 478 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938069471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159138 + ... + 1159946.

It is an arithmetic number, because the mean of its divisors is an integer number (33078375).

Almost surely, 2^938069478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 938069478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058508000).

938069478 is an abundant number, since it is smaller than the sum of its proper divisors (1178946522).

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

938069478 is a wasteful number, since it uses less digits than its factorization.

938069478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 938069478 is about 30627.9199097817. The cubic root of 938069478 is about 978.9150418237.

The spelling of 938069478 in words is "nine hundred thirty-eight million, sixty-nine thousand, four hundred seventy-eight".