10390989 has 12 divisors (see below), whose sum is σ = 16116864. Its totient is φ = 5937624.

The previous prime is 10390957. The next prime is 10390997. The reversal of 10390989 is 98909301.

It is not a de Polignac number, because 10390989 - 2⁵ = 10390957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10390889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35197 + ... + 35490.

It is an arithmetic number, because the mean of its divisors is an integer number (1343072).

Almost surely, 2^10390989 is an apocalyptic number.

It is an amenable number.

10390989 is a deficient number, since it is larger than the sum of its proper divisors (5725875).

10390989 is an equidigital number, since it uses as much as digits as its factorization.

10390989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70704 (or 70697 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 10390989 is about 3223.5057003207. The cubic root of 10390989 is about 218.2155164648.

The spelling of 10390989 in words is "ten million, three hundred ninety thousand, nine hundred eighty-nine".