938654381 has 8 divisors (see below), whose sum is σ = 1072948800. Its totient is φ = 804410208.

The previous prime is 938654377. The next prime is 938654399. The reversal of 938654381 is 183456839.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 938654381 - 2² = 938654377 is a prime.

It is a super-2 number, since 2×938654381² = 1762144093940986322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938654581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45185 + ... + 62601.

It is an arithmetic number, because the mean of its divisors is an integer number (134118600).

Almost surely, 2^938654381 is an apocalyptic number.

It is an amenable number.

938654381 is a deficient number, since it is larger than the sum of its proper divisors (134294419).

938654381 is a wasteful number, since it uses less digits than its factorization.

938654381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25123.

The product of its digits is 622080, while the sum is 47.

The square root of 938654381 is about 30637.4669481666. The cubic root of 938654381 is about 979.1184565304.

The spelling of 938654381 in words is "nine hundred thirty-eight million, six hundred fifty-four thousand, three hundred eighty-one".