4870649 has 6 divisors (see below), whose sum is σ = 5665914. Its totient is φ = 4174800.

The previous prime is 4870609. The next prime is 4870651. The reversal of 4870649 is 9460784.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4380649 + 490000 = 2093^2 + 700^2 .

It is not a de Polignac number, because 4870649 - 2²⁰ = 3822073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4870609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49652 + ... + 49749.

It is an arithmetic number, because the mean of its divisors is an integer number (944319).

Almost surely, 2^4870649 is an apocalyptic number.

4870649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4870649 is a deficient number, since it is larger than the sum of its proper divisors (795265).

4870649 is an equidigital number, since it uses as much as digits as its factorization.

4870649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99415 (or 99408 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4870649 is about 2206.9546891588. The cubic root of 4870649 is about 169.5101121408.

The spelling of 4870649 in words is "four million, eight hundred seventy thousand, six hundred forty-nine".