392841087 has 16 divisors (see below), whose sum is σ = 535721472. Its totient is φ = 255944000.

The previous prime is 392841079. The next prime is 392841089. The reversal of 392841087 is 780148293.

It is a cyclic number.

It is not a de Polignac number, because 392841087 - 2³ = 392841079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392841089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119212 + ... + 122462.

It is an arithmetic number, because the mean of its divisors is an integer number (33482592).

Almost surely, 2^392841087 is an apocalyptic number.

392841087 is a deficient number, since it is larger than the sum of its proper divisors (142880385).

392841087 is a wasteful number, since it uses less digits than its factorization.

392841087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 392841087 is about 19820.2191461144. The cubic root of 392841087 is about 732.3842025169.

The spelling of 392841087 in words is "three hundred ninety-two million, eight hundred forty-one thousand, eighty-seven".