10418989 has 4 divisors (see below), whose sum is σ = 11907424. Its totient is φ = 8930556.

The previous prime is 10418971. The next prime is 10419001. The reversal of 10418989 is 98981401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10418989 - 2⁵ = 10418957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10418929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744207 + ... + 744220.

It is an arithmetic number, because the mean of its divisors is an integer number (2976856).

Almost surely, 2^10418989 is an apocalyptic number.

It is an amenable number.

10418989 is a deficient number, since it is larger than the sum of its proper divisors (1488435).

10418989 is an equidigital number, since it uses as much as digits as its factorization.

10418989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488434.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 10418989 is about 3227.8458761223. The cubic root of 10418989 is about 218.4113449384.

The spelling of 10418989 in words is "ten million, four hundred eighteen thousand, nine hundred eighty-nine".