485651639 has 8 divisors (see below), whose sum is σ = 529992720. Its totient is φ = 441342400.

The previous prime is 485651633. The next prime is 485651641. The reversal of 485651639 is 936156584.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485651639 - 2⁴ = 485651623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485651593 and 485651602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485651633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33227 + ... + 45555.

It is an arithmetic number, because the mean of its divisors is an integer number (66249090).

Almost surely, 2^485651639 is an apocalyptic number.

485651639 is a deficient number, since it is larger than the sum of its proper divisors (44341081).

485651639 is a wasteful number, since it uses less digits than its factorization.

485651639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921.

The product of its digits is 777600, while the sum is 47.

The square root of 485651639 is about 22037.5052807708. The cubic root of 485651639 is about 786.0345206670.

The spelling of 485651639 in words is "four hundred eighty-five million, six hundred fifty-one thousand, six hundred thirty-nine".