34313240 has 128 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 11404800.

The previous prime is 34313239. The next prime is 34313261. The reversal of 34313240 is 4231343.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227165 + ... + 227315.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^34313240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34313240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45964800).

34313240 is an abundant number, since it is smaller than the sum of its proper divisors (57616360).

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

34313240 is a wasteful number, since it uses less digits than its factorization.

34313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34313240 is about 5857.7504214502. The cubic root of 34313240 is about 324.9530188499.

Adding to 34313240 its reverse (4231343), we get a palindrome (38544583).

The spelling of 34313240 in words is "thirty-four million, three hundred thirteen thousand, two hundred forty".