9400018 has 8 divisors (see below), whose sum is σ = 14225148. Its totient is φ = 4658304.

The previous prime is 9400009. The next prime is 9400019. The reversal of 9400018 is 8100049.

It can be written as a sum of positive squares in 2 ways, for example, as 7306209 + 2093809 = 2703^2 + 1447^2 .

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 (9400019) 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, 20571 + ... + 21022.

Almost surely, 2^9400018 is an apocalyptic number.

9400018 is a deficient number, since it is larger than the sum of its proper divisors (4825130).

9400018 is a wasteful number, since it uses less digits than its factorization.

9400018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41708.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9400018 is about 3065.9448788261. The cubic root of 9400018 is about 211.0455641588.

The spelling of 9400018 in words is "nine million, four hundred thousand, eighteen".