243250406 has 12 divisors (see below), whose sum is σ = 424447308. Its totient is φ = 104250132.

The previous prime is 243250387. The next prime is 243250409. The reversal of 243250406 is 604052342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243250409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1240976 + ... + 1241171.

It is an arithmetic number, because the mean of its divisors is an integer number (35370609).

Almost surely, 2^243250406 is an apocalyptic number.

243250406 is a deficient number, since it is larger than the sum of its proper divisors (181196902).

243250406 is a wasteful number, since it uses less digits than its factorization.

243250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482163 (or 2482156 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 243250406 is about 15596.4869762392. The cubic root of 243250406 is about 624.2394212608.

The spelling of 243250406 in words is "two hundred forty-three million, two hundred fifty thousand, four hundred six".