34056820 has 24 divisors (see below), whose sum is σ = 81736704. Its totient is φ = 11676576.

The previous prime is 34056791. The next prime is 34056839. The reversal of 34056820 is 2865043.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 121492 + ... + 121771.

It is an arithmetic number, because the mean of its divisors is an integer number (3405696).

Almost surely, 2^34056820 is an apocalyptic number.

It is an amenable number.

34056820 is an abundant number, since it is smaller than the sum of its proper divisors (47679884).

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

34056820 is a wasteful number, since it uses less digits than its factorization.

34056820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243279 (or 243277 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 34056820 is about 5835.8221357406. The cubic root of 34056820 is about 324.1415451250.

The spelling of 34056820 in words is "thirty-four million, fifty-six thousand, eight hundred twenty".