478901 has 2 divisors, whose sum is σ = 478902. Its totient is φ = 478900.

The previous prime is 478897. The next prime is 478913. The reversal of 478901 is 109874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 391876 + 87025 = 626^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 478901 - 2² = 478897 is a prime.

It is a Chen prime.

It is an Ulam number.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239450 + 239451.

It is an arithmetic number, because the mean of its divisors is an integer number (239451).

2⁴⁷⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

478901 is a deficient number, since it is larger than the sum of its proper divisors (1).

478901 is an equidigital number, since it uses as much as digits as its factorization.

478901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 478901 is about 692.0267335877. The cubic root of 478901 is about 78.2375510551.

The spelling of 478901 in words is "four hundred seventy-eight thousand, nine hundred one".