203487242 has 16 divisors (see below), whose sum is σ = 349843200. Its totient is φ = 86956848.

The previous prime is 203487239. The next prime is 203487257. The reversal of 203487242 is 242784302.

It is a junction number, because it is equal to n+sod(n) for n = 203487199 and 203487208.

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, 15938 + ... + 25709.

It is an arithmetic number, because the mean of its divisors is an integer number (21865200).

Almost surely, 2^203487242 is an apocalyptic number.

203487242 is a deficient number, since it is larger than the sum of its proper divisors (146355958).

203487242 is a wasteful number, since it uses less digits than its factorization.

203487242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42005.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 203487242 is about 14264.8954430097. The cubic root of 203487242 is about 588.1829012054.

The spelling of 203487242 in words is "two hundred three million, four hundred eighty-seven thousand, two hundred forty-two".