34111921 has 16 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 31743184.

The previous prime is 34111919. The next prime is 34111933. The reversal of 34111921 is 12911143.

It is not a de Polignac number, because 34111921 - 2¹ = 34111919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34111892 and 34111901.

It is not an unprimeable number, because it can be changed into a prime (34111901) 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, 204180 + ... + 204346.

It is an arithmetic number, because the mean of its divisors is an integer number (2286144).

Almost surely, 2^34111921 is an apocalyptic number.

It is an amenable number.

34111921 is a deficient number, since it is larger than the sum of its proper divisors (2466383).

34111921 is a wasteful number, since it uses less digits than its factorization.

34111921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380.

The product of its digits is 216, while the sum is 22.

The square root of 34111921 is about 5840.5411564341. The cubic root of 34111921 is about 324.3162619626.

The spelling of 34111921 in words is "thirty-four million, one hundred eleven thousand, nine hundred twenty-one".