276421384 has 32 divisors (see below), whose sum is σ = 525096000. Its totient is φ = 136406592.

The previous prime is 276421381. The next prime is 276421393. The reversal of 276421384 is 483124672.

276421384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (276421381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312607 + ... + 313489.

It is an arithmetic number, because the mean of its divisors is an integer number (16409250).

Almost surely, 2^276421384 is an apocalyptic number.

It is an amenable number.

276421384 is a deficient number, since it is larger than the sum of its proper divisors (248674616).

276421384 is a wasteful number, since it uses less digits than its factorization.

276421384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 276421384 is about 16625.9250569705. The cubic root of 276421384 is about 651.4141864468.

The spelling of 276421384 in words is "two hundred seventy-six million, four hundred twenty-one thousand, three hundred eighty-four".