34521885 has 12 divisors (see below), whose sum is σ = 59838012. Its totient is φ = 18411648.

The previous prime is 34521881. The next prime is 34521887. The reversal of 34521885 is 58812543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8450649 + 26071236 = 2907^2 + 5106^2 .

It is not a de Polignac number, because 34521885 - 2² = 34521881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34521881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383532 + ... + 383621.

It is an arithmetic number, because the mean of its divisors is an integer number (4986501).

Almost surely, 2^34521885 is an apocalyptic number.

It is an amenable number.

34521885 is a deficient number, since it is larger than the sum of its proper divisors (25316127).

34521885 is a wasteful number, since it uses less digits than its factorization.

34521885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767164 (or 767161 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 34521885 is about 5875.5327418031. The cubic root of 34521885 is about 325.6103245413.

The spelling of 34521885 in words is "thirty-four million, five hundred twenty-one thousand, eight hundred eighty-five".