34354421 has 4 divisors (see below), whose sum is σ = 34374144. Its totient is φ = 34334700.

The previous prime is 34354409. The next prime is 34354423. The reversal of 34354421 is 12445343.

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 an emirpimes, since its reverse is a distinct semiprime: 12445343 = 17 ⋅732079.

It is a cyclic number.

It is not a de Polignac number, because 34354421 - 2¹⁸ = 34092277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34354423) 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, 6965 + ... + 10826.

It is an arithmetic number, because the mean of its divisors is an integer number (8593536).

Almost surely, 2^34354421 is an apocalyptic number.

It is an amenable number.

34354421 is a deficient number, since it is larger than the sum of its proper divisors (19723).

34354421 is a wasteful number, since it uses less digits than its factorization.

34354421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722.

The product of its digits is 5760, while the sum is 26.

The square root of 34354421 is about 5861.2644540236. The cubic root of 34354421 is about 325.0829642239.

Adding to 34354421 its reverse (12445343), we get a palindrome (46799764).

The spelling of 34354421 in words is "thirty-four million, three hundred fifty-four thousand, four hundred twenty-one".