276943434 has 8 divisors (see below), whose sum is σ = 553886880. Its totient is φ = 92314476.

The previous prime is 276943421. The next prime is 276943441. The reversal of 276943434 is 434349672.

It is a happy number.

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

276943434 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23078614 + ... + 23078625.

It is an arithmetic number, because the mean of its divisors is an integer number (69235860).

Almost surely, 2^276943434 is an apocalyptic number.

276943434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

276943434 is a wasteful number, since it uses less digits than its factorization.

276943434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46157244.

The product of its digits is 435456, while the sum is 42.

The square root of 276943434 is about 16641.6175295552. The cubic root of 276943434 is about 651.8240159485.

The spelling of 276943434 in words is "two hundred seventy-six million, nine hundred forty-three thousand, four hundred thirty-four".