276381434 has 8 divisors (see below), whose sum is σ = 473796768. Its totient is φ = 118449180.

The previous prime is 276381407. The next prime is 276381439. The reversal of 276381434 is 434183672.

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

It is a super-3 number, since 3×276381434³ (a number of 26 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (276381439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9870752 + ... + 9870779.

It is an arithmetic number, because the mean of its divisors is an integer number (59224596).

Almost surely, 2^276381434 is an apocalyptic number.

276381434 is a deficient number, since it is larger than the sum of its proper divisors (197415334).

276381434 is a wasteful number, since it uses less digits than its factorization.

276381434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19741540.

The product of its digits is 96768, while the sum is 38.

The square root of 276381434 is about 16624.7235766493. The cubic root of 276381434 is about 651.3828028997.

The spelling of 276381434 in words is "two hundred seventy-six million, three hundred eighty-one thousand, four hundred thirty-four".