243379164 has 24 divisors (see below), whose sum is σ = 649011328. Its totient is φ = 69536880.

The previous prime is 243379159. The next prime is 243379211. The reversal of 243379164 is 461973342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1448602 + ... + 1448769.

Almost surely, 2^243379164 is an apocalyptic number.

It is an amenable number.

243379164 is an abundant number, since it is smaller than the sum of its proper divisors (405632164).

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

243379164 is a wasteful number, since it uses less digits than its factorization.

243379164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897385 (or 2897383 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 243379164 is about 15600.6142186774. The cubic root of 243379164 is about 624.3495432311.

The spelling of 243379164 in words is "two hundred forty-three million, three hundred seventy-nine thousand, one hundred sixty-four".