238424406 has 16 divisors (see below), whose sum is σ = 520198848. Its totient is φ = 72249800.

The previous prime is 238424401. The next prime is 238424413. The reversal of 238424406 is 604424832.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238424401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806180 + ... + 1806311.

It is an arithmetic number, because the mean of its divisors is an integer number (32512428).

Almost surely, 2^238424406 is an apocalyptic number.

238424406 is an abundant number, since it is smaller than the sum of its proper divisors (281774442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238424406 is a wasteful number, since it uses less digits than its factorization.

238424406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612507.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 238424406 is about 15440.9975714006. The cubic root of 238424406 is about 620.0835874123.

The spelling of 238424406 in words is "two hundred thirty-eight million, four hundred twenty-four thousand, four hundred six".