34858840 has 32 divisors (see below), whose sum is σ = 83047680. Its totient is φ = 13123072.

The previous prime is 34858771. The next prime is 34858843. The reversal of 34858840 is 4885843.

34858840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×34858840² = 2430277452291200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 34858793 and 34858802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34858843) 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 7 ways as a sum of consecutive naturals, for example, 24952 + ... + 26311.

It is an arithmetic number, because the mean of its divisors is an integer number (2595240).

Almost surely, 2^34858840 is an apocalyptic number.

It is an amenable number.

34858840 is an abundant number, since it is smaller than the sum of its proper divisors (48188840).

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

34858840 is a wasteful number, since it uses less digits than its factorization.

34858840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51291 (or 51287 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 34858840 is about 5904.1375322734. The cubic root of 34858840 is about 326.6662825670. Note that the first 3 decimals are identical.

The spelling of 34858840 in words is "thirty-four million, eight hundred fifty-eight thousand, eight hundred forty".