238438402 has 8 divisors (see below), whose sum is σ = 358508412. Its totient is φ = 118935600.

The previous prime is 238438399. The next prime is 238438423. The reversal of 238438402 is 204834832.

It can be written as a sum of positive squares in 2 ways, for example, as 227074761 + 11363641 = 15069^2 + 3371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140749 + ... + 142432.

Almost surely, 2^238438402 is an apocalyptic number.

238438402 is a deficient number, since it is larger than the sum of its proper divisors (120070010).

238438402 is a wasteful number, since it uses less digits than its factorization.

238438402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283604.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 238438402 is about 15441.4507738101. The cubic root of 238438402 is about 620.0957205663.

The spelling of 238438402 in words is "two hundred thirty-eight million, four hundred thirty-eight thousand, four hundred two".