478485401 has 4 divisors (see below), whose sum is σ = 485224704. Its totient is φ = 471746100.

The previous prime is 478485389. The next prime is 478485421. The reversal of 478485401 is 104584874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104584874 = 2 ⋅52292437.

It is a cyclic number.

It is not a de Polignac number, because 478485401 - 2¹⁸ = 478223257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478485421) 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, 3369545 + ... + 3369686.

It is an arithmetic number, because the mean of its divisors is an integer number (121306176).

Almost surely, 2^478485401 is an apocalyptic number.

It is an amenable number.

478485401 is a deficient number, since it is larger than the sum of its proper divisors (6739303).

478485401 is an equidigital number, since it uses as much as digits as its factorization.

478485401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6739302.

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 478485401 is about 21874.3091548053. The cubic root of 478485401 is about 782.1491251505.

The spelling of 478485401 in words is "four hundred seventy-eight million, four hundred eighty-five thousand, four hundred one".