243993950 has 12 divisors (see below), whose sum is σ = 453828840. Its totient is φ = 97597560.

The previous prime is 243993923. The next prime is 243993977. The reversal of 243993950 is 59399342.

It is an interprime number because it is at equal distance from previous prime (243993923) and next prime (243993977).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2439890 + ... + 2439989.

It is an arithmetic number, because the mean of its divisors is an integer number (37819070).

Almost surely, 2^243993950 is an apocalyptic number.

243993950 is a deficient number, since it is larger than the sum of its proper divisors (209834890).

243993950 is a wasteful number, since it uses less digits than its factorization.

243993950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879891 (or 4879886 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 243993950 is about 15620.3056948320. The cubic root of 243993950 is about 624.8748122599.

The spelling of 243993950 in words is "two hundred forty-three million, nine hundred ninety-three thousand, nine hundred fifty".