276806469 has 8 divisors (see below), whose sum is σ = 370825312. Its totient is φ = 183662640.

The previous prime is 276806429. The next prime is 276806477. The reversal of 276806469 is 964608672.

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

It is not a de Polignac number, because 276806469 - 2¹² = 276802373 is a prime.

It is a super-2 number, since 2×276806469² = 153243642560495922, 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 (276806429) 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 7 ways as a sum of consecutive naturals, for example, 218014 + ... + 219279.

It is an arithmetic number, because the mean of its divisors is an integer number (46353164).

Almost surely, 2^276806469 is an apocalyptic number.

It is an amenable number.

276806469 is a deficient number, since it is larger than the sum of its proper divisors (94018843).

276806469 is a wasteful number, since it uses less digits than its factorization.

276806469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437507.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 276806469 is about 16637.5018858000. The cubic root of 276806469 is about 651.7165429811.

The spelling of 276806469 in words is "two hundred seventy-six million, eight hundred six thousand, four hundred sixty-nine".