938078946 has 48 divisors (see below), whose sum is σ = 2328955200. Its totient is φ = 267319584.

The previous prime is 938078917. The next prime is 938078971. The reversal of 938078946 is 649870839.

It is a super-4 number, since 4×938078946⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 938078892 and 938078901.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 39445 + ... + 58583.

It is an arithmetic number, because the mean of its divisors is an integer number (48519900).

Almost surely, 2^938078946 is an apocalyptic number.

938078946 is an abundant number, since it is smaller than the sum of its proper divisors (1390876254).

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

938078946 is a wasteful number, since it uses less digits than its factorization.

938078946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19543 (or 19540 counting only the distinct ones).

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

The square root of 938078946 is about 30628.0744742467. The cubic root of 938078946 is about 978.9183352317.

The spelling of 938078946 in words is "nine hundred thirty-eight million, seventy-eight thousand, nine hundred forty-six".