34198018 has 32 divisors (see below), whose sum is σ = 55384560. Its totient is φ = 15805440.

The previous prime is 34198007. The next prime is 34198019. The reversal of 34198018 is 81089143.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20007729 + 14190289 = 4473^2 + 3767^2 .

It is not an unprimeable number, because it can be changed into a prime (34198019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173496 + ... + 173692.

Almost surely, 2^34198018 is an apocalyptic number.

34198018 is a deficient number, since it is larger than the sum of its proper divisors (21186542).

34198018 is a wasteful number, since it uses less digits than its factorization.

34198018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 34198018 is about 5847.9071470057. The cubic root of 34198018 is about 324.5888860914.

The spelling of 34198018 in words is "thirty-four million, one hundred ninety-eight thousand, eighteen".