434973638 has 16 divisors (see below), whose sum is σ = 728329536. Its totient is φ = 193116840.

The previous prime is 434973613. The next prime is 434973641. The reversal of 434973638 is 836379434.

It is a junction number, because it is equal to n+sod(n) for n = 434973592 and 434973601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228956 + ... + 230847.

It is an arithmetic number, because the mean of its divisors is an integer number (45520596).

Almost surely, 2^434973638 is an apocalyptic number.

434973638 is a deficient number, since it is larger than the sum of its proper divisors (293355898).

434973638 is a wasteful number, since it uses less digits than its factorization.

434973638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459859.

The product of its digits is 1306368, while the sum is 47.

The square root of 434973638 is about 20856.0216244614. The cubic root of 434973638 is about 757.6831787683.

The spelling of 434973638 in words is "four hundred thirty-four million, nine hundred seventy-three thousand, six hundred thirty-eight".