4649870 has 16 divisors (see below), whose sum is σ = 8810640. Its totient is φ = 1761984.

The previous prime is 4649863. The next prime is 4649873. The reversal of 4649870 is 789464.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12047 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (550665).

Almost surely, 2^4649870 is an apocalyptic number.

4649870 is a deficient number, since it is larger than the sum of its proper divisors (4160770).

4649870 is a wasteful number, since it uses less digits than its factorization.

4649870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24499.

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

The square root of 4649870 is about 2156.3557220459. The cubic root of 4649870 is about 166.9091980112.

The spelling of 4649870 in words is "four million, six hundred forty-nine thousand, eight hundred seventy".