478863241 has 4 divisors (see below), whose sum is σ = 479074372. Its totient is φ = 478652112.

The previous prime is 478863239. The next prime is 478863257. The reversal of 478863241 is 142368874.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67584841 + 411278400 = 8221^2 + 20280^2 .

It is a cyclic number.

It is not a de Polignac number, because 478863241 - 2¹ = 478863239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478863211) 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, 102126 + ... + 106711.

It is an arithmetic number, because the mean of its divisors is an integer number (119768593).

Almost surely, 2^478863241 is an apocalyptic number.

It is an amenable number.

478863241 is a deficient number, since it is larger than the sum of its proper divisors (211131).

478863241 is a wasteful number, since it uses less digits than its factorization.

478863241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211130.

The product of its digits is 258048, while the sum is 43.

The square root of 478863241 is about 21882.9440660986. The cubic root of 478863241 is about 782.3549478502.

The spelling of 478863241 in words is "four hundred seventy-eight million, eight hundred sixty-three thousand, two hundred forty-one".