438773674 has 4 divisors (see below), whose sum is σ = 658160514. Its totient is φ = 219386836.

The previous prime is 438773651. The next prime is 438773711. The reversal of 438773674 is 476377834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476377834 = 2 ⋅238188917.

It can be written as a sum of positive squares in only one way, i.e., 323748049 + 115025625 = 17993^2 + 10725^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109693417 + ... + 109693420.

Almost surely, 2^438773674 is an apocalyptic number.

438773674 is a deficient number, since it is larger than the sum of its proper divisors (219386840).

438773674 is a wasteful number, since it uses less digits than its factorization.

438773674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219386839.

The product of its digits is 2370816, while the sum is 49.

The square root of 438773674 is about 20946.9251681482. The cubic root of 438773674 is about 759.8832195913.

The spelling of 438773674 in words is "four hundred thirty-eight million, seven hundred seventy-three thousand, six hundred seventy-four".