34087640 has 16 divisors (see below), whose sum is σ = 76697280. Its totient is φ = 13635040.

The previous prime is 34087607. The next prime is 34087649. The reversal of 34087640 is 4678043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34087597 and 34087606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34087649) 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, 426056 + ... + 426135.

It is an arithmetic number, because the mean of its divisors is an integer number (4793580).

Almost surely, 2^34087640 is an apocalyptic number.

It is an amenable number.

34087640 is an abundant number, since it is smaller than the sum of its proper divisors (42609640).

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

34087640 is a wasteful number, since it uses less digits than its factorization.

34087640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852202 (or 852198 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 34087640 is about 5838.4621262795. The cubic root of 34087640 is about 324.2392938325.

The spelling of 34087640 in words is "thirty-four million, eighty-seven thousand, six hundred forty".