1234884321 has 24 divisors (see below), whose sum is σ = 1947947040. Its totient is φ = 747619200.

The previous prime is 1234884319. The next prime is 1234884331.

It is a happy number.

1234884321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1234884321 - 2¹ = 1234884319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1234884311) 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, 94761 + ... + 107001.

It is an arithmetic number, because the mean of its divisors is an integer number (81164460).

Almost surely, 2^1234884321 is an apocalyptic number.

1234884321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1234884321 is a deficient number, since it is larger than the sum of its proper divisors (713062719).

1234884321 is a wasteful number, since it uses less digits than its factorization.

1234884321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13277 (or 13274 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 1234884321 is about 35140.9208900393. The cubic root of 1234884321 is about 1072.8576250437.

It can be divided in two parts, 12348 and 84321, that added together give a palindrome (96669).

The spelling of 1234884321 in words is "one billion, two hundred thirty-four million, eight hundred eighty-four thousand, three hundred twenty-one".