438961846 has 4 divisors (see below), whose sum is σ = 658442772. Its totient is φ = 219480922.

The previous prime is 438961819. The next prime is 438961849. The reversal of 438961846 is 648169834.

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

It is a self number, because there is not a number n which added to its sum of digits gives 438961846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438961849) 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 as a sum of consecutive naturals, namely, 109740460 + ... + 109740463.

It is an arithmetic number, because the mean of its divisors is an integer number (164610693).

Almost surely, 2^438961846 is an apocalyptic number.

438961846 is a deficient number, since it is larger than the sum of its proper divisors (219480926).

438961846 is a wasteful number, since it uses less digits than its factorization.

438961846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219480925.

The product of its digits is 995328, while the sum is 49.

The square root of 438961846 is about 20951.4163244397. The cubic root of 438961846 is about 759.9918316297.

The spelling of 438961846 in words is "four hundred thirty-eight million, nine hundred sixty-one thousand, eight hundred forty-six".