34388140 has 48 divisors (see below), whose sum is σ = 74620224. Its totient is φ = 13305600.

The previous prime is 34388117. The next prime is 34388141. The reversal of 34388140 is 4188343.

It is not an unprimeable number, because it can be changed into a prime (34388141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86422 + ... + 86818.

It is an arithmetic number, because the mean of its divisors is an integer number (1554588).

Almost surely, 2^34388140 is an apocalyptic number.

It is an amenable number.

34388140 is an abundant number, since it is smaller than the sum of its proper divisors (40232084).

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

34388140 is a wasteful number, since it uses less digits than its factorization.

34388140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 34388140 is about 5864.1401756779. The cubic root of 34388140 is about 325.1892861844.

The spelling of 34388140 in words is "thirty-four million, three hundred eighty-eight thousand, one hundred forty".