238047430 has 16 divisors (see below), whose sum is σ = 453690720. Its totient is φ = 89617792.

The previous prime is 238047421. The next prime is 238047443. The reversal of 238047430 is 34740832.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 238047392 and 238047401.

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 in 7 ways as a sum of consecutive naturals, for example, 699970 + ... + 700309.

It is an arithmetic number, because the mean of its divisors is an integer number (28355670).

Almost surely, 2^238047430 is an apocalyptic number.

238047430 is a deficient number, since it is larger than the sum of its proper divisors (215643290).

238047430 is a wasteful number, since it uses less digits than its factorization.

238047430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400303.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 238047430 is about 15428.7857590933. The cubic root of 238047430 is about 619.7566075514.

The spelling of 238047430 in words is "two hundred thirty-eight million, forty-seven thousand, four hundred thirty".