243429474 has 16 divisors (see below), whose sum is σ = 487330560. Its totient is φ = 81064560.

The previous prime is 243429469. The next prime is 243429499. The reversal of 243429474 is 474924342.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 12754 + ... + 25485.

It is an arithmetic number, because the mean of its divisors is an integer number (30458160).

Almost surely, 2^243429474 is an apocalyptic number.

243429474 is an abundant number, since it is smaller than the sum of its proper divisors (243901086).

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

243429474 is a wasteful number, since it uses less digits than its factorization.

243429474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39305.

The product of its digits is 193536, while the sum is 39.

The square root of 243429474 is about 15602.2265718711. The cubic root of 243429474 is about 624.3925609664.

The spelling of 243429474 in words is "two hundred forty-three million, four hundred twenty-nine thousand, four hundred seventy-four".