243607604 has 6 divisors (see below), whose sum is σ = 426313314. Its totient is φ = 121803800.

The previous prime is 243607597. The next prime is 243607619. The reversal of 243607604 is 406706342.

It can be written as a sum of positive squares in only one way, i.e., 243048100 + 559504 = 15590^2 + 748^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 30450947 + ... + 30450954.

It is an arithmetic number, because the mean of its divisors is an integer number (71052219).

Almost surely, 2^243607604 is an apocalyptic number.

It is an amenable number.

243607604 is a deficient number, since it is larger than the sum of its proper divisors (182705710).

243607604 is a wasteful number, since it uses less digits than its factorization.

243607604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60901905 (or 60901903 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 243607604 is about 15607.9340080614. The cubic root of 243607604 is about 624.5448239975.

The spelling of 243607604 in words is "two hundred forty-three million, six hundred seven thousand, six hundred four".