4658890 has 16 divisors (see below), whose sum is σ = 8437608. Its totient is φ = 1852096.

The previous prime is 4658869. The next prime is 4658893. The reversal of 4658890 is 988564.

It can be written as a sum of positive squares in 4 ways, for example, as 4330561 + 328329 = 2081^2 + 573^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4658893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 3076.

Almost surely, 2^4658890 is an apocalyptic number.

4658890 is a deficient number, since it is larger than the sum of its proper divisors (3778718).

4658890 is a wasteful number, since it uses less digits than its factorization.

4658890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

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

The square root of 4658890 is about 2158.4462003951. The cubic root of 4658890 is about 167.0170539673.

The spelling of 4658890 in words is "four million, six hundred fifty-eight thousand, eight hundred ninety".