34215828 has 24 divisors (see below), whose sum is σ = 81030432. Its totient is φ = 11234784.

The previous prime is 34215803. The next prime is 34215829. The reversal of 34215828 is 82851243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34215829) 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, 20475 + ... + 22082.

It is an arithmetic number, because the mean of its divisors is an integer number (3376268).

Almost surely, 2^34215828 is an apocalyptic number.

It is an amenable number.

34215828 is an abundant number, since it is smaller than the sum of its proper divisors (46814604).

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

34215828 is a wasteful number, since it uses less digits than its factorization.

34215828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42631 (or 42629 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 34215828 is about 5849.4297157928. The cubic root of 34215828 is about 324.6452239060.

The spelling of 34215828 in words is "thirty-four million, two hundred fifteen thousand, eight hundred twenty-eight".