276393984 has 104 divisors (see below), whose sum is σ = 748591872. Its totient is φ = 90685440.

The previous prime is 276393979. The next prime is 276394049. The reversal of 276393984 is 489393672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019769 + ... + 1020039.

Almost surely, 2^276393984 is an apocalyptic number.

276393984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276393984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374295936).

276393984 is an abundant number, since it is smaller than the sum of its proper divisors (472197888).

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

276393984 is an equidigital number, since it uses as much as digits as its factorization.

276393984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 359 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 51.

The square root of 276393984 is about 16625.1010222495. The cubic root of 276393984 is about 651.3926621370.

The spelling of 276393984 in words is "two hundred seventy-six million, three hundred ninety-three thousand, nine hundred eighty-four".