34834140 has 144 divisors (see below), whose sum is σ = 117333216. Its totient is φ = 8294400.

The previous prime is 34834127. The next prime is 34834147. The reversal of 34834140 is 4143843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34834147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144420 + ... + 144660.

It is an arithmetic number, because the mean of its divisors is an integer number (814814).

Almost surely, 2^34834140 is an apocalyptic number.

34834140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34834140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58666608).

34834140 is an abundant number, since it is smaller than the sum of its proper divisors (82499076).

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

34834140 is a wasteful number, since it uses less digits than its factorization.

34834140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 34834140 is about 5902.0454081615. The cubic root of 34834140 is about 326.5891088030.

Adding to 34834140 its reverse (4143843), we get a palindrome (38977983).

The spelling of 34834140 in words is "thirty-four million, eight hundred thirty-four thousand, one hundred forty".