10236989 has 4 divisors (see below), whose sum is σ = 11699424. Its totient is φ = 8774556.

The previous prime is 10236983. The next prime is 10237013. The reversal of 10236989 is 98963201.

10236989 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 10236989 - 2⁴ = 10236973 is a prime.

It is a super-2 number, since 2×10236989² = 209591887572242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10236983) 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, 731207 + ... + 731220.

It is an arithmetic number, because the mean of its divisors is an integer number (2924856).

Almost surely, 2^10236989 is an apocalyptic number.

It is an amenable number.

10236989 is a deficient number, since it is larger than the sum of its proper divisors (1462435).

10236989 is an equidigital number, since it uses as much as digits as its factorization.

10236989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462434.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 10236989 is about 3199.5294966604. The cubic root of 10236989 is about 217.1321230967.

The spelling of 10236989 in words is "ten million, two hundred thirty-six thousand, nine hundred eighty-nine".