418943894 has 4 divisors (see below), whose sum is σ = 628415844. Its totient is φ = 209471946.

The previous prime is 418943851. The next prime is 418943897. The reversal of 418943894 is 498349814.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418943897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104735972 + ... + 104735975.

It is an arithmetic number, because the mean of its divisors is an integer number (157103961).

Almost surely, 2^418943894 is an apocalyptic number.

418943894 is a deficient number, since it is larger than the sum of its proper divisors (209471950).

418943894 is a wasteful number, since it uses less digits than its factorization.

418943894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209471949.

The product of its digits is 995328, while the sum is 50.

The square root of 418943894 is about 20468.1189658454. The cubic root of 418943894 is about 748.2590100286.

The spelling of 418943894 in words is "four hundred eighteen million, nine hundred forty-three thousand, eight hundred ninety-four".