239421016 has 32 divisors (see below), whose sum is σ = 457127280. Its totient is φ = 117532800.

The previous prime is 239421001. The next prime is 239421019. The reversal of 239421016 is 610124932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239421019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225126 + ... + 226186.

Almost surely, 2^239421016 is an apocalyptic number.

It is an amenable number.

239421016 is a deficient number, since it is larger than the sum of its proper divisors (217706264).

239421016 is a wasteful number, since it uses less digits than its factorization.

239421016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 239421016 is about 15473.2354729061. The cubic root of 239421016 is about 620.9463660426.

Adding to 239421016 its reverse (610124932), we get a palindrome (849545948).

The spelling of 239421016 in words is "two hundred thirty-nine million, four hundred twenty-one thousand, sixteen".