239485405 has 16 divisors (see below), whose sum is σ = 302904000. Its totient is φ = 181267200.

The previous prime is 239485399. The next prime is 239485417. The reversal of 239485405 is 504584932.

239485405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 239485405 - 2³ = 239485397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113046 + ... + 115144.

It is an arithmetic number, because the mean of its divisors is an integer number (18931500).

Almost surely, 2^239485405 is an apocalyptic number.

It is an amenable number.

239485405 is a deficient number, since it is larger than the sum of its proper divisors (63418595).

239485405 is a wasteful number, since it uses less digits than its factorization.

239485405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 239485405 is about 15475.3159903118. The cubic root of 239485405 is about 621.0020260574.

The spelling of 239485405 in words is "two hundred thirty-nine million, four hundred eighty-five thousand, four hundred five".