968629439 has 4 divisors (see below), whose sum is σ = 989238624. Its totient is φ = 948020256.

The previous prime is 968629433. The next prime is 968629511. The reversal of 968629439 is 934926869.

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

It is a cyclic number.

It is not a de Polignac number, because 968629439 - 2¹⁶ = 968563903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968629433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10304522 + ... + 10304615.

It is an arithmetic number, because the mean of its divisors is an integer number (247309656).

Almost surely, 2^968629439 is an apocalyptic number.

968629439 is a deficient number, since it is larger than the sum of its proper divisors (20609185).

968629439 is a wasteful number, since it uses less digits than its factorization.

968629439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20609184.

The product of its digits is 5038848, while the sum is 56.

The square root of 968629439 is about 31122.8121962010. The cubic root of 968629439 is about 989.4318540617.

The spelling of 968629439 in words is "nine hundred sixty-eight million, six hundred twenty-nine thousand, four hundred thirty-nine".