34446421 has 4 divisors (see below), whose sum is σ = 34459744. Its totient is φ = 34433100.

The previous prime is 34446413. The next prime is 34446427. The reversal of 34446421 is 12464443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 34446421 - 2³ = 34446413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34446421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34446427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (8614936).

Almost surely, 2^34446421 is an apocalyptic number.

It is an amenable number.

34446421 is a deficient number, since it is larger than the sum of its proper divisors (13323).

34446421 is an equidigital number, since it uses as much as digits as its factorization.

34446421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13322.

The product of its digits is 9216, while the sum is 28.

The square root of 34446421 is about 5869.1073426885. The cubic root of 34446421 is about 325.3728927034.

The spelling of 34446421 in words is "thirty-four million, four hundred forty-six thousand, four hundred twenty-one".