34210240 has 28 divisors (see below), whose sum is σ = 81463896. Its totient is φ = 13683968.

The previous prime is 34210229. The next prime is 34210243. The reversal of 34210240 is 4201243.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34210243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53134 + ... + 53773.

Almost surely, 2^34210240 is an apocalyptic number.

It is an amenable number.

34210240 is an abundant number, since it is smaller than the sum of its proper divisors (47253656).

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

34210240 is a wasteful number, since it uses less digits than its factorization.

34210240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106924 (or 106914 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 34210240 is about 5848.9520428877. The cubic root of 34210240 is about 324.6275496659.

Adding to 34210240 its reverse (4201243), we get a palindrome (38411483).

The spelling of 34210240 in words is "thirty-four million, two hundred ten thousand, two hundred forty".