34293921 has 16 divisors (see below), whose sum is σ = 47468160. Its totient is φ = 21996800.

The previous prime is 34293911. The next prime is 34293949. The reversal of 34293921 is 12939243.

It is a cyclic number.

It is not a de Polignac number, because 34293921 - 2¹⁰ = 34292897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34293911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34396 + ... + 35378.

It is an arithmetic number, because the mean of its divisors is an integer number (2966760).

Almost surely, 2^34293921 is an apocalyptic number.

It is an amenable number.

34293921 is a deficient number, since it is larger than the sum of its proper divisors (13174239).

34293921 is a wasteful number, since it uses less digits than its factorization.

34293921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its digits is 11664, while the sum is 33.

The square root of 34293921 is about 5856.1011774046. The cubic root of 34293921 is about 324.8920225123.

It can be divided in two parts, 3 and 4293921, that added together give a palindrome (4293924).

The spelling of 34293921 in words is "thirty-four million, two hundred ninety-three thousand, nine hundred twenty-one".