10435989 has 4 divisors (see below), whose sum is σ = 13914656. Its totient is φ = 6957324.

The previous prime is 10435967. The next prime is 10435993. The reversal of 10435989 is 98953401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98953401 = 3 ⋅32984467.

It is not a de Polignac number, because 10435989 - 2¹³ = 10427797 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 (10435949) 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, 1739329 + ... + 1739334.

It is an arithmetic number, because the mean of its divisors is an integer number (3478664).

Almost surely, 2^10435989 is an apocalyptic number.

It is an amenable number.

10435989 is a deficient number, since it is larger than the sum of its proper divisors (3478667).

10435989 is an equidigital number, since it uses as much as digits as its factorization.

10435989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478666.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 10435989 is about 3230.4781379851. The cubic root of 10435989 is about 218.5300696782.

The spelling of 10435989 in words is "ten million, four hundred thirty-five thousand, nine hundred eighty-nine".