238019473 has 12 divisors (see below), whose sum is σ = 246763692. Its totient is φ = 229447680.

The previous prime is 238019461. The next prime is 238019489. The reversal of 238019473 is 374910832.

It can be written as a sum of positive squares in 6 ways, for example, as 84953089 + 153066384 = 9217^2 + 12372^2 .

It is not a de Polignac number, because 238019473 - 2¹³ = 238011281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238019413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385461 + ... + 386077.

It is an arithmetic number, because the mean of its divisors is an integer number (20563641).

Almost surely, 2^238019473 is an apocalyptic number.

It is an amenable number.

238019473 is a deficient number, since it is larger than the sum of its proper divisors (8744219).

238019473 is an frugal number, since it uses more digits than its factorization.

238019473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 238019473 is about 15427.8797311880. The cubic root of 238019473 is about 619.7323445802.

The spelling of 238019473 in words is "two hundred thirty-eight million, nineteen thousand, four hundred seventy-three".