34987218 has 32 divisors (see below), whose sum is σ = 80593920. Its totient is φ = 9918480.

The previous prime is 34987217. The next prime is 34987219. The reversal of 34987218 is 81278943.

34987218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (34987217) and next prime (34987219).

It is a Harshad number since it is a multiple of its sum of digits (42).

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

It is a self number, because there is not a number n which added to its sum of digits gives 34987218.

It is not an unprimeable number, because it can be changed into a prime (34987217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (2518560).

Almost surely, 2^34987218 is an apocalyptic number.

34987218 is an abundant number, since it is smaller than the sum of its proper divisors (45606702).

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

34987218 is a wasteful number, since it uses less digits than its factorization.

34987218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502.

The product of its digits is 96768, while the sum is 42.

The square root of 34987218 is about 5914.9994082840. Note that the first 3 decimals coincide. The cubic root of 34987218 is about 327.0668063899.

The spelling of 34987218 in words is "thirty-four million, nine hundred eighty-seven thousand, two hundred eighteen".