4670989 has 2 divisors, whose sum is σ = 4670990. Its totient is φ = 4670988.

The previous prime is 4670969. The next prime is 4670999. The reversal of 4670989 is 9890764.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 837225 = 1958^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 4670989 - 2⁵ = 4670957 is a prime.

4670989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4670929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2335494 + 2335495.

It is an arithmetic number, because the mean of its divisors is an integer number (2335495).

Almost surely, 2^4670989 is an apocalyptic number.

It is an amenable number.

4670989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4670989 is an equidigital number, since it uses as much as digits as its factorization.

4670989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 4670989 is about 2161.2470936938. The cubic root of 4670989 is about 167.1615084467.

The spelling of 4670989 in words is "four million, six hundred seventy thousand, nine hundred eighty-nine".