921276434 has 8 divisors (see below), whose sum is σ = 1488215820. Its totient is φ = 425204496.

The previous prime is 921276397. The next prime is 921276439. The reversal of 921276434 is 434672129.

It can be written as a sum of positive squares in 2 ways, for example, as 901500625 + 19775809 = 30025^2 + 4447^2 .

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

It is not an unprimeable number, because it can be changed into a prime (921276439) 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 3 ways as a sum of consecutive naturals, for example, 17716829 + ... + 17716880.

Almost surely, 2^921276434 is an apocalyptic number.

921276434 is a deficient number, since it is larger than the sum of its proper divisors (566939386).

921276434 is a wasteful number, since it uses less digits than its factorization.

921276434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35433724.

The product of its digits is 72576, while the sum is 38.

The square root of 921276434 is about 30352.5358742890. The cubic root of 921276434 is about 973.0384174323.

The spelling of 921276434 in words is "nine hundred twenty-one million, two hundred seventy-six thousand, four hundred thirty-four".