34214921 has 4 divisors (see below), whose sum is σ = 36846852. Its totient is φ = 31582992.

The previous prime is 34214911. The next prime is 34214923. The reversal of 34214921 is 12941243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 30680521 = 1880^2 + 5539^2 .

It is a cyclic number.

It is not a de Polignac number, because 34214921 - 2¹⁰ = 34213897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34214923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315946 + ... + 1315971.

It is an arithmetic number, because the mean of its divisors is an integer number (9211713).

Almost surely, 2^34214921 is an apocalyptic number.

It is an amenable number.

34214921 is a deficient number, since it is larger than the sum of its proper divisors (2631931).

34214921 is a wasteful number, since it uses less digits than its factorization.

34214921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631930.

The product of its digits is 1728, while the sum is 26.

The square root of 34214921 is about 5849.3521863536. The cubic root of 34214921 is about 324.6423552939.

The spelling of 34214921 in words is "thirty-four million, two hundred fourteen thousand, nine hundred twenty-one".