478134434 has 8 divisors (see below), whose sum is σ = 718182300. Its totient is φ = 238740336.

The previous prime is 478134427. The next prime is 478134439. The reversal of 478134434 is 434431874.

It can be written as a sum of positive squares in 2 ways, for example, as 450076225 + 28058209 = 21215^2 + 5297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×478134434² = 457225073953000712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478134439) 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, 161609 + ... + 164540.

Almost surely, 2^478134434 is an apocalyptic number.

478134434 is a deficient number, since it is larger than the sum of its proper divisors (240047866).

478134434 is a wasteful number, since it uses less digits than its factorization.

478134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326884.

The product of its digits is 129024, while the sum is 38.

The square root of 478134434 is about 21866.2853269594. The cubic root of 478134434 is about 781.9578440263.

The spelling of 478134434 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, four hundred thirty-four".