4685890 has 32 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 1660800.

The previous prime is 4685887. The next prime is 4685893. The reversal of 4685890 is 985864.

It is an interprime number because it is at equal distance from previous prime (4685887) and next prime (4685893).

It is not an unprimeable number, because it can be changed into a prime (4685893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^4685890 is an apocalyptic number.

4685890 is an abundant number, since it is smaller than the sum of its proper divisors (4748990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4685890 is a wasteful number, since it uses less digits than its factorization.

4685890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4685890 is about 2164.6916639559. The cubic root of 4685890 is about 167.3390746678.

The spelling of 4685890 in words is "four million, six hundred eighty-five thousand, eight hundred ninety".