276421338 has 48 divisors (see below), whose sum is σ = 607412520. Its totient is φ = 90843648.

The previous prime is 276421333. The next prime is 276421357. The reversal of 276421338 is 833124672.

It is a happy number.

276421338 is a `hidden beast` number, since 2 + 7 + 642 + 1 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 264290049 + 12131289 = 16257^2 + 3483^2 .

It is a super-2 number, since 2×276421338² = 152817512203420488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (276421331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485518 + ... + 486086.

Almost surely, 2^276421338 is an apocalyptic number.

276421338 is an abundant number, since it is smaller than the sum of its proper divisors (330991182).

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

276421338 is a wasteful number, since it uses less digits than its factorization.

276421338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 908 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 276421338 is about 16625.9236735888. The cubic root of 276421338 is about 651.4141503123.

The spelling of 276421338 in words is "two hundred seventy-six million, four hundred twenty-one thousand, three hundred thirty-eight".