8462989 has 2 divisors, whose sum is σ = 8462990. Its totient is φ = 8462988.

The previous prime is 8462981. The next prime is 8463023. The reversal of 8462989 is 9892648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 110889 = 2890^2 + 333^2 .

It is a cyclic number.

It is not a de Polignac number, because 8462989 - 2³ = 8462981 is a prime.

8462989 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8462981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4231494 + 4231495.

It is an arithmetic number, because the mean of its divisors is an integer number (4231495).

Almost surely, 2^8462989 is an apocalyptic number.

It is an amenable number.

8462989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8462989 is an equidigital number, since it uses as much as digits as its factorization.

8462989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 8462989 is about 2909.1216887576. The cubic root of 8462989 is about 203.7861160212.

The spelling of 8462989 in words is "eight million, four hundred sixty-two thousand, nine hundred eighty-nine".