34998018 has 32 divisors (see below), whose sum is σ = 77620032. Its totient is φ = 10430400.

The previous prime is 34998017. The next prime is 34998031. The reversal of 34998018 is 81089943.

It is a super-2 number, since 2×34998018² = 2449722527856648, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34998017) 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, 321 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (2425626).

Almost surely, 2^34998018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34998018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38810016).

34998018 is an abundant number, since it is smaller than the sum of its proper divisors (42622014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34998018 is a wasteful number, since it uses less digits than its factorization.

34998018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 34998018 is about 5915.9122711548. The cubic root of 34998018 is about 327.1004563752.

The spelling of 34998018 in words is "thirty-four million, nine hundred ninety-eight thousand, eighteen".