4667989 has 2 divisors, whose sum is σ = 4667990. Its totient is φ = 4667988.

The previous prime is 4667983. The next prime is 4668023. The reversal of 4667989 is 9897664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4656964 + 11025 = 2158^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 4667989 - 2³ = 4667981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4667981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2333994 + 2333995.

It is an arithmetic number, because the mean of its divisors is an integer number (2333995).

Almost surely, 2^4667989 is an apocalyptic number.

It is an amenable number.

4667989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4667989 is an equidigital number, since it uses as much as digits as its factorization.

4667989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 4667989 is about 2160.5529384859. The cubic root of 4667989 is about 167.1257136058.

The spelling of 4667989 in words is "four million, six hundred sixty-seven thousand, nine hundred eighty-nine".