392989103 has 16 divisors (see below), whose sum is σ = 452161920. Its totient is φ = 338522976.

The previous prime is 392989097. The next prime is 392989111. The reversal of 392989103 is 301989293.

It is a cyclic number.

It is not a de Polignac number, because 392989103 - 2⁴ = 392989087 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 (392989123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4676 + ... + 28422.

It is an arithmetic number, because the mean of its divisors is an integer number (28260120).

Almost surely, 2^392989103 is an apocalyptic number.

392989103 is a deficient number, since it is larger than the sum of its proper divisors (59172817).

392989103 is a wasteful number, since it uses less digits than its factorization.

392989103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23846.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 392989103 is about 19823.9527592254. The cubic root of 392989103 is about 732.4761743698.

The spelling of 392989103 in words is "three hundred ninety-two million, nine hundred eighty-nine thousand, one hundred three".