102933489 has 4 divisors (see below), whose sum is σ = 137244656. Its totient is φ = 68622324.

The previous prime is 102933461. The next prime is 102933503. The reversal of 102933489 is 984339201.

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: 984339201 = 3 ⋅328113067.

It is a de Polignac number, because none of the positive numbers 2^k-102933489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102933409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17155579 + ... + 17155584.

It is an arithmetic number, because the mean of its divisors is an integer number (34311164).

Almost surely, 2^102933489 is an apocalyptic number.

It is an amenable number.

102933489 is a deficient number, since it is larger than the sum of its proper divisors (34311167).

102933489 is an equidigital number, since it uses as much as digits as its factorization.

102933489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34311166.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 102933489 is about 10145.6142741581. The cubic root of 102933489 is about 468.6538954621.

The spelling of 102933489 in words is "one hundred two million, nine hundred thirty-three thousand, four hundred eighty-nine".