34215340 has 12 divisors (see below), whose sum is σ = 71852256. Its totient is φ = 13686128.

The previous prime is 34215323. The next prime is 34215341. The reversal of 34215340 is 4351243.

It is not an unprimeable number, because it can be changed into a prime (34215341) 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, 855364 + ... + 855403.

It is an arithmetic number, because the mean of its divisors is an integer number (5987688).

Almost surely, 2^34215340 is an apocalyptic number.

It is an amenable number.

34215340 is an abundant number, since it is smaller than the sum of its proper divisors (37636916).

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

34215340 is a wasteful number, since it uses less digits than its factorization.

34215340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710776 (or 1710774 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34215340 is about 5849.3880021760. The cubic root of 34215340 is about 324.6436804915.

Adding to 34215340 its reverse (4351243), we get a palindrome (38566583).

The spelling of 34215340 in words is "thirty-four million, two hundred fifteen thousand, three hundred forty".