438148474 has 8 divisors (see below), whose sum is σ = 691813440. Its totient is φ = 207543996.

The previous prime is 438148471. The next prime is 438148481. The reversal of 438148474 is 474841834.

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

It is a self number, because there is not a number n which added to its sum of digits gives 438148474.

It is not an unprimeable number, because it can be changed into a prime (438148471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765074 + ... + 5765149.

It is an arithmetic number, because the mean of its divisors is an integer number (86476680).

Almost surely, 2^438148474 is an apocalyptic number.

438148474 is a deficient number, since it is larger than the sum of its proper divisors (253664966).

438148474 is a wasteful number, since it uses less digits than its factorization.

438148474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530244.

The product of its digits is 344064, while the sum is 43.

The square root of 438148474 is about 20931.9964169689. The cubic root of 438148474 is about 759.5221338049.

The spelling of 438148474 in words is "four hundred thirty-eight million, one hundred forty-eight thousand, four hundred seventy-four".