485683690 has 8 divisors (see below), whose sum is σ = 874230660. Its totient is φ = 194273472.

The previous prime is 485683661. The next prime is 485683697. The reversal of 485683690 is 96386584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 479478609 + 6205081 = 21897^2 + 2491^2 .

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

It is a super-2 number, since 2×485683690² = 471777293464032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485683697) 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, 24284175 + ... + 24284194.

Almost surely, 2^485683690 is an apocalyptic number.

485683690 is a deficient number, since it is larger than the sum of its proper divisors (388546970).

485683690 is a wasteful number, since it uses less digits than its factorization.

485683690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48568376.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 485683690 is about 22038.2324608849. The cubic root of 485683690 is about 786.0518119627.

The spelling of 485683690 in words is "four hundred eighty-five million, six hundred eighty-three thousand, six hundred ninety".