379721268 has 18 divisors (see below), whose sum is σ = 959851074. Its totient is φ = 126573744.

The previous prime is 379721267. The next prime is 379721291. The reversal of 379721268 is 862127973.

379721268 is a `hidden beast` number, since 379 + 7 + 212 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 378380304 + 1340964 = 19452^2 + 1158^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379721267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5273871 + ... + 5273942.

Almost surely, 2^379721268 is an apocalyptic number.

It is an amenable number.

379721268 is an abundant number, since it is smaller than the sum of its proper divisors (580129806).

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

379721268 is a wasteful number, since it uses less digits than its factorization.

379721268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10547823 (or 10547818 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 379721268 is about 19486.4380531692. The cubic root of 379721268 is about 724.1385045804.

The spelling of 379721268 in words is "three hundred seventy-nine million, seven hundred twenty-one thousand, two hundred sixty-eight".