34421015 has 4 divisors (see below), whose sum is σ = 41305224. Its totient is φ = 27536808.

The previous prime is 34420993. The next prime is 34421029. The reversal of 34421015 is 51012443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34421015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3442097 + ... + 3442106.

It is an arithmetic number, because the mean of its divisors is an integer number (10326306).

Almost surely, 2^34421015 is an apocalyptic number.

34421015 is a deficient number, since it is larger than the sum of its proper divisors (6884209).

34421015 is an equidigital number, since it uses as much as digits as its factorization.

34421015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884208.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 34421015 is about 5866.9425598006. The cubic root of 34421015 is about 325.2928799705.

Adding to 34421015 its reverse (51012443), we get a palindrome (85433458).

The spelling of 34421015 in words is "thirty-four million, four hundred twenty-one thousand, fifteen".