434338538 has 4 divisors (see below), whose sum is σ = 651507810. Its totient is φ = 217169268.

The previous prime is 434338511. The next prime is 434338577. The reversal of 434338538 is 835833434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835833434 = 2 ⋅417916717.

It can be written as a sum of positive squares in only one way, i.e., 383258929 + 51079609 = 19577^2 + 7147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 434338495 and 434338504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108584633 + ... + 108584636.

Almost surely, 2^434338538 is an apocalyptic number.

434338538 is a deficient number, since it is larger than the sum of its proper divisors (217169272).

434338538 is a wasteful number, since it uses less digits than its factorization.

434338538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217169271.

The product of its digits is 414720, while the sum is 41.

The square root of 434338538 is about 20840.7902441342. The cubic root of 434338538 is about 757.3142376530.

The spelling of 434338538 in words is "four hundred thirty-four million, three hundred thirty-eight thousand, five hundred thirty-eight".