276316381 has 8 divisors (see below), whose sum is σ = 302689728. Its totient is φ = 250152000.

The previous prime is 276316357. The next prime is 276316387. The reversal of 276316381 is 183613672.

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

It is a cyclic number.

It is not a de Polignac number, because 276316381 - 2⁹ = 276315869 is a prime.

It is a super-2 number, since 2×276316381² = 152701484817874322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 276316381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276316387) 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, 49465 + ... + 54766.

It is an arithmetic number, because the mean of its divisors is an integer number (37836216).

Almost surely, 2^276316381 is an apocalyptic number.

It is an amenable number.

276316381 is a deficient number, since it is larger than the sum of its proper divisors (26373347).

276316381 is a wasteful number, since it uses less digits than its factorization.

276316381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104483.

The product of its digits is 36288, while the sum is 37.

The square root of 276316381 is about 16622.7669477738. The cubic root of 276316381 is about 651.3316927004.

The spelling of 276316381 in words is "two hundred seventy-six million, three hundred sixteen thousand, three hundred eighty-one".