238887445 has 8 divisors (see below), whose sum is σ = 287600544. Its totient is φ = 190486224.

The previous prime is 238887427. The next prime is 238887469. The reversal of 238887445 is 544788832.

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

It is a cyclic number.

It is not a de Polignac number, because 238887445 - 2¹⁷ = 238756373 is a prime.

It is a super-2 number, since 2×238887445² = 114134422757256050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 76279 + ... + 79348.

It is an arithmetic number, because the mean of its divisors is an integer number (35950068).

Almost surely, 2^238887445 is an apocalyptic number.

It is an amenable number.

238887445 is a deficient number, since it is larger than the sum of its proper divisors (48713099).

238887445 is a wasteful number, since it uses less digits than its factorization.

238887445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155939.

The product of its digits is 1720320, while the sum is 49.

The square root of 238887445 is about 15455.9841161927. The cubic root of 238887445 is about 620.4847449078.

The spelling of 238887445 in words is "two hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred forty-five".