8276381 has 8 divisors (see below), whose sum is σ = 8738400. Its totient is φ = 7817040.

The previous prime is 8276369. The next prime is 8276431. The reversal of 8276381 is 1836728.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8276381 is a prime.

It is a super-2 number, since 2×8276381² = 136996964914322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8276311) 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, 12191 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (1092300).

Almost surely, 2^8276381 is an apocalyptic number.

It is an amenable number.

8276381 is a deficient number, since it is larger than the sum of its proper divisors (462019).

8276381 is a wasteful number, since it uses less digits than its factorization.

8276381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339.

The product of its digits is 16128, while the sum is 35.

The square root of 8276381 is about 2876.8700005388. The cubic root of 8276381 is about 202.2771495500.

Subtracting from 8276381 its sum of digits (35), we obtain a triangular number (8276346 = T₄₀₆₈).

The spelling of 8276381 in words is "eight million, two hundred seventy-six thousand, three hundred eighty-one".