392936442 has 16 divisors (see below), whose sum is σ = 795342240. Its totient is φ = 129400592.

The previous prime is 392936429. The next prime is 392936449. The reversal of 392936442 is 244639293.

It is a junction number, because it is equal to n+sod(n) for n = 392936394 and 392936403.

It is not an unprimeable number, because it can be changed into a prime (392936449) 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, 394017 + ... + 395012.

It is an arithmetic number, because the mean of its divisors is an integer number (49708890).

Almost surely, 2^392936442 is an apocalyptic number.

392936442 is an abundant number, since it is smaller than the sum of its proper divisors (402405798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

392936442 is a wasteful number, since it uses less digits than its factorization.

392936442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789117.

The product of its digits is 279936, while the sum is 42.

The square root of 392936442 is about 19822.6244982848. The cubic root of 392936442 is about 732.4434553532.

The spelling of 392936442 in words is "three hundred ninety-two million, nine hundred thirty-six thousand, four hundred forty-two".