238032405 has 64 divisors (see below), whose sum is σ = 475614720. Its totient is φ = 112071168.

The previous prime is 238032401. The next prime is 238032409. The reversal of 238032405 is 504230832.

It is an interprime number because it is at equal distance from previous prime (238032401) and next prime (238032409).

It is not a de Polignac number, because 238032405 - 2² = 238032401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238032401) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 37417 + ... + 43313.

It is an arithmetic number, because the mean of its divisors is an integer number (7431480).

Almost surely, 2^238032405 is an apocalyptic number.

It is an amenable number.

238032405 is a deficient number, since it is larger than the sum of its proper divisors (237582315).

238032405 is a wasteful number, since it uses less digits than its factorization.

238032405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 238032405 is about 15428.2988368776. The cubic root of 238032405 is about 619.7435680786.

The spelling of 238032405 in words is "two hundred thirty-eight million, thirty-two thousand, four hundred five".