395880839 has 8 divisors (see below), whose sum is σ = 397593120. Its totient is φ = 394173216.

The previous prime is 395880829. The next prime is 395880841. The reversal of 395880839 is 938088593.

It is a happy number.

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 395880839 - 2¹² = 395876743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395880829) 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, 356417 + ... + 357525.

It is an arithmetic number, because the mean of its divisors is an integer number (49699140).

Almost surely, 2^395880839 is an apocalyptic number.

395880839 is a deficient number, since it is larger than the sum of its proper divisors (1712281).

395880839 is a wasteful number, since it uses less digits than its factorization.

395880839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 395880839 is about 19896.7544840861. The cubic root of 395880839 is about 734.2683814650.

The spelling of 395880839 in words is "three hundred ninety-five million, eight hundred eighty thousand, eight hundred thirty-nine".