938474081 has 4 divisors (see below), whose sum is σ = 953858964. Its totient is φ = 923089200.

The previous prime is 938474077. The next prime is 938474143. The reversal of 938474081 is 180474839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 479829025 + 458645056 = 21905^2 + 21416^2 .

It is a cyclic number.

It is not a de Polignac number, because 938474081 - 2² = 938474077 is a prime.

It is a super-2 number, since 2×938474081² = 1761467201417589122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (938474041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7692350 + ... + 7692471.

It is an arithmetic number, because the mean of its divisors is an integer number (238464741).

Almost surely, 2^938474081 is an apocalyptic number.

It is an amenable number.

938474081 is a deficient number, since it is larger than the sum of its proper divisors (15384883).

938474081 is a wasteful number, since it uses less digits than its factorization.

938474081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15384882.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 938474081 is about 30634.5243312182. The cubic root of 938474081 is about 979.0557616892.

The spelling of 938474081 in words is "nine hundred thirty-eight million, four hundred seventy-four thousand, eighty-one".