102439464 has 16 divisors (see below), whose sum is σ = 256098720. Its totient is φ = 34146480.

The previous prime is 102439417. The next prime is 102439483. The reversal of 102439464 is 464934201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134132 + ... + 2134179.

It is an arithmetic number, because the mean of its divisors is an integer number (16006170).

Almost surely, 2^102439464 is an apocalyptic number.

It is an amenable number.

102439464 is an abundant number, since it is smaller than the sum of its proper divisors (153659256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102439464 is a wasteful number, since it uses less digits than its factorization.

102439464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268320 (or 4268316 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 102439464 is about 10121.2382641651. The cubic root of 102439464 is about 467.9029311429.

The spelling of 102439464 in words is "one hundred two million, four hundred thirty-nine thousand, four hundred sixty-four".