392286404 has 6 divisors (see below), whose sum is σ = 686501214. Its totient is φ = 196143200.

The previous prime is 392286383. The next prime is 392286409. The reversal of 392286404 is 404682293.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 370177600 + 22108804 = 19240^2 + 4702^2 .

It is not an unprimeable number, because it can be changed into a prime (392286409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49035797 + ... + 49035804.

It is an arithmetic number, because the mean of its divisors is an integer number (114416869).

Almost surely, 2^392286404 is an apocalyptic number.

It is an amenable number.

392286404 is a deficient number, since it is larger than the sum of its proper divisors (294214810).

392286404 is a wasteful number, since it uses less digits than its factorization.

392286404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98071605 (or 98071603 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 392286404 is about 19806.2213458297. The cubic root of 392286404 is about 732.0393366739.

The spelling of 392286404 in words is "three hundred ninety-two million, two hundred eighty-six thousand, four hundred four".