34245240 has 32 divisors (see below), whose sum is σ = 102736080. Its totient is φ = 9132032.

The previous prime is 34245221. The next prime is 34245257. The reversal of 34245240 is 4254243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 34245240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142569 + ... + 142808.

Almost surely, 2^34245240 is an apocalyptic number.

34245240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34245240 is an abundant number, since it is smaller than the sum of its proper divisors (68490840).

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

34245240 is a wasteful number, since it uses less digits than its factorization.

34245240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285391 (or 285387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 34245240 is about 5851.9432669841. The cubic root of 34245240 is about 324.7382191778.

Adding to 34245240 its reverse (4254243), we get a palindrome (38499483).

The spelling of 34245240 in words is "thirty-four million, two hundred forty-five thousand, two hundred forty".