34215966 has 16 divisors (see below), whose sum is σ = 76035600. Its totient is φ = 11405304.

The previous prime is 34215949. The next prime is 34215967. The reversal of 34215966 is 66951243.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 34215966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34215967) 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, 316761 + ... + 316868.

It is an arithmetic number, because the mean of its divisors is an integer number (4752225).

Almost surely, 2^34215966 is an apocalyptic number.

34215966 is an abundant number, since it is smaller than the sum of its proper divisors (41819634).

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

34215966 is a wasteful number, since it uses less digits than its factorization.

34215966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633640 (or 633634 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 34215966 is about 5849.4415118026. The cubic root of 34215966 is about 324.6456603608.

It can be divided in two parts, 342159 and 66, that added together give a square (342225 = 585²).

The spelling of 34215966 in words is "thirty-four million, two hundred fifteen thousand, nine hundred sixty-six".