4668890 has 16 divisors (see below), whose sum is σ = 8431560. Its totient is φ = 1861440.

The previous prime is 4668883. The next prime is 4668899. The reversal of 4668890 is 988664.

It can be written as a sum of positive squares in 4 ways, for example, as 776161 + 3892729 = 881^2 + 1973^2 .

It is not an unprimeable number, because it can be changed into a prime (4668899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3656 + ... + 4764.

Almost surely, 2^4668890 is an apocalyptic number.

4668890 is a deficient number, since it is larger than the sum of its proper divisors (3762670).

4668890 is a wasteful number, since it uses less digits than its factorization.

4668890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 4668890 is about 2160.7614398633. The cubic root of 4668890 is about 167.1364656006.

The spelling of 4668890 in words is "four million, six hundred sixty-eight thousand, eight hundred ninety".