478650634 has 32 divisors (see below), whose sum is σ = 907422336. Its totient is φ = 183928320.

The previous prime is 478650619. The next prime is 478650637. The reversal of 478650634 is 436056874.

It is not an unprimeable number, because it can be changed into a prime (478650637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10047 + ... + 32530.

It is an arithmetic number, because the mean of its divisors is an integer number (28356948).

Almost surely, 2^478650634 is an apocalyptic number.

478650634 is a deficient number, since it is larger than the sum of its proper divisors (428771702).

478650634 is a wasteful number, since it uses less digits than its factorization.

478650634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42670.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 478650634 is about 21878.0857023644. The cubic root of 478650634 is about 782.2391466870.

The spelling of 478650634 in words is "four hundred seventy-eight million, six hundred fifty thousand, six hundred thirty-four".