478389034 has 4 divisors (see below), whose sum is σ = 717583554. Its totient is φ = 239194516.

The previous prime is 478389031. The next prime is 478389053. The reversal of 478389034 is 430983874.

478389034 = T₁₇₈₅₇ + T₁₇₈₅₈ + T₁₇₈₅₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 430983874 = 2 ⋅215491937.

It can be written as a sum of positive squares in only one way, i.e., 331130809 + 147258225 = 18197^2 + 12135^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (478389031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119597257 + ... + 119597260.

Almost surely, 2^478389034 is an apocalyptic number.

478389034 is the 17859-th centered triangular number.

478389034 is a deficient number, since it is larger than the sum of its proper divisors (239194520).

478389034 is a wasteful number, since it uses less digits than its factorization.

478389034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239194519.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 478389034 is about 21872.1063000343. The cubic root of 478389034 is about 782.0966133252.

The spelling of 478389034 in words is "four hundred seventy-eight million, three hundred eighty-nine thousand, thirty-four".