34688240 has 40 divisors (see below), whose sum is σ = 82836960. Its totient is φ = 13499136.

The previous prime is 34688207. The next prime is 34688249. The reversal of 34688240 is 4288643.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 34688240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34688249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (2070924).

Almost surely, 2^34688240 is an apocalyptic number.

It is an amenable number.

34688240 is an abundant number, since it is smaller than the sum of its proper divisors (48148720).

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

34688240 is a wasteful number, since it uses less digits than its factorization.

34688240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769 (or 11763 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 34688240 is about 5889.6723168611. The cubic root of 34688240 is about 326.1325066366.

The spelling of 34688240 in words is "thirty-four million, six hundred eighty-eight thousand, two hundred forty".