938254381 has 4 divisors (see below), whose sum is σ = 941214492. Its totient is φ = 935294272.

The previous prime is 938254379. The next prime is 938254391. The reversal of 938254381 is 183452839.

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 91968100 + 846286281 = 9590^2 + 29091^2 .

It is a cyclic number.

It is not a de Polignac number, because 938254381 - 2¹ = 938254379 is a prime.

It is a super-2 number, since 2×938254381² = 1760642566931386322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938254301) 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, 1479580 + ... + 1480213.

It is an arithmetic number, because the mean of its divisors is an integer number (235303623).

Almost surely, 2^938254381 is an apocalyptic number.

It is an amenable number.

938254381 is a deficient number, since it is larger than the sum of its proper divisors (2960111).

938254381 is a wasteful number, since it uses less digits than its factorization.

938254381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960110.

The product of its digits is 207360, while the sum is 43.

The square root of 938254381 is about 30630.9382977407. The cubic root of 938254381 is about 978.9793556231.

The spelling of 938254381 in words is "nine hundred thirty-eight million, two hundred fifty-four thousand, three hundred eighty-one".