102932439 has 4 divisors (see below), whose sum is σ = 137243256. Its totient is φ = 68621624.

The previous prime is 102932393. The next prime is 102932441. The reversal of 102932439 is 934239201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102932439 - 2²⁰ = 101883863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102932449) 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, 17155404 + ... + 17155409.

It is an arithmetic number, because the mean of its divisors is an integer number (34310814).

Almost surely, 2^102932439 is an apocalyptic number.

102932439 is a deficient number, since it is larger than the sum of its proper divisors (34310817).

102932439 is an equidigital number, since it uses as much as digits as its factorization.

102932439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34310816.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 102932439 is about 10145.5625275290. The cubic root of 102932439 is about 468.6523019145.

The spelling of 102932439 in words is "one hundred two million, nine hundred thirty-two thousand, four hundred thirty-nine".