34478343 has 6 divisors (see below), whose sum is σ = 49802064. Its totient is φ = 22985556.

The previous prime is 34478321. The next prime is 34478347. The reversal of 34478343 is 34387443.

It is a happy number.

It is not a de Polignac number, because 34478343 - 2²¹ = 32381191 is a prime.

It is a super-2 number, since 2×34478343² = 2377512272051298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34478298 and 34478307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1915455 + ... + 1915472.

It is an arithmetic number, because the mean of its divisors is an integer number (8300344).

Almost surely, 2^34478343 is an apocalyptic number.

34478343 is a deficient number, since it is larger than the sum of its proper divisors (15323721).

34478343 is a wasteful number, since it uses less digits than its factorization.

34478343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830933 (or 3830930 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 34478343 is about 5871.8262065562. The cubic root of 34478343 is about 325.4733709377.

It can be divided in two parts, 344 and 78343, that added together give a palindrome (78687).

The spelling of 34478343 in words is "thirty-four million, four hundred seventy-eight thousand, three hundred forty-three".