479641 has 4 divisors (see below), whose sum is σ = 481572. Its totient is φ = 477712.

The previous prime is 479639. The next prime is 479701. The reversal of 479641 is 146974.

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 225625 + 254016 = 475^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 479641 - 2¹ = 479639 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

479641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (479041) 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, 526 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (120393).

2⁴⁷⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

479641 is a deficient number, since it is larger than the sum of its proper divisors (1931).

479641 is a wasteful number, since it uses less digits than its factorization.

479641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its digits is 6048, while the sum is 31.

The square root of 479641 is about 692.5611886325. The cubic root of 479641 is about 78.2778279899.

The spelling of 479641 in words is "four hundred seventy-nine thousand, six hundred forty-one".