34668921 has 24 divisors (see below), whose sum is σ = 54110784. Its totient is φ = 19686240.

The previous prime is 34668917. The next prime is 34668947. The reversal of 34668921 is 12986643.

It is not a de Polignac number, because 34668921 - 2² = 34668917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34668921.

It is not an unprimeable number, because it can be changed into a prime (34668911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25956 + ... + 27258.

It is an arithmetic number, because the mean of its divisors is an integer number (2254616).

Almost surely, 2^34668921 is an apocalyptic number.

It is an amenable number.

34668921 is a deficient number, since it is larger than the sum of its proper divisors (19441863).

34668921 is a wasteful number, since it uses less digits than its factorization.

34668921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1494 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 34668921 is about 5888.0320141793. The cubic root of 34668921 is about 326.0719508218.

The spelling of 34668921 in words is "thirty-four million, six hundred sixty-eight thousand, nine hundred twenty-one".