438854066 has 8 divisors (see below), whose sum is σ = 752321280. Its totient is φ = 188080308.

The previous prime is 438854063. The next prime is 438854081. The reversal of 438854066 is 660458834.

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

It is not an unprimeable number, because it can be changed into a prime (438854063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15673346 + ... + 15673373.

It is an arithmetic number, because the mean of its divisors is an integer number (94040160).

Almost surely, 2^438854066 is an apocalyptic number.

438854066 is a deficient number, since it is larger than the sum of its proper divisors (313467214).

438854066 is a wasteful number, since it uses less digits than its factorization.

438854066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31346728.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 438854066 is about 20948.8440253872. The cubic root of 438854066 is about 759.9296252934.

The spelling of 438854066 in words is "four hundred thirty-eight million, eight hundred fifty-four thousand, sixty-six".