276421346 has 4 divisors (see below), whose sum is σ = 414632022. Its totient is φ = 138210672.

The previous prime is 276421333. The next prime is 276421357. The reversal of 276421346 is 643124672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 252460321 + 23961025 = 15889^2 + 4895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69105335 + ... + 69105338.

Almost surely, 2^276421346 is an apocalyptic number.

276421346 is a deficient number, since it is larger than the sum of its proper divisors (138210676).

276421346 is a wasteful number, since it uses less digits than its factorization.

276421346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138210675.

The product of its digits is 48384, while the sum is 35.

The square root of 276421346 is about 16625.9239141769. The cubic root of 276421346 is about 651.4141565965.

The spelling of 276421346 in words is "two hundred seventy-six million, four hundred twenty-one thousand, three hundred forty-six".