321046047 has 24 divisors (see below), whose sum is σ = 531922976. Its totient is φ = 182782656.

The previous prime is 321046039. The next prime is 321046057. The reversal of 321046047 is 740640123.

It is not a de Polignac number, because 321046047 - 2³ = 321046039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321046047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321046007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8253 + ... + 26649.

Almost surely, 2^321046047 is an apocalyptic number.

321046047 is a deficient number, since it is larger than the sum of its proper divisors (210876929).

321046047 is a wasteful number, since it uses less digits than its factorization.

321046047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18687 (or 18684 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 321046047 is about 17917.7578675458. The cubic root of 321046047 is about 684.7348660453.

The spelling of 321046047 in words is "three hundred twenty-one million, forty-six thousand, forty-seven".