393048692 has 6 divisors (see below), whose sum is σ = 687835218. Its totient is φ = 196524344.

The previous prime is 393048683. The next prime is 393048697. The reversal of 393048692 is 296840393.

It can be written as a sum of positive squares in only one way, i.e., 209554576 + 183494116 = 14476^2 + 13546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393048697) 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 as a sum of consecutive naturals, namely, 49131083 + ... + 49131090.

It is an arithmetic number, because the mean of its divisors is an integer number (114639203).

Almost surely, 2^393048692 is an apocalyptic number.

It is an amenable number.

393048692 is a deficient number, since it is larger than the sum of its proper divisors (294786526).

393048692 is a wasteful number, since it uses less digits than its factorization.

393048692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98262177 (or 98262175 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 393048692 is about 19825.4556568065. The cubic root of 393048692 is about 732.5131943249.

The spelling of 393048692 in words is "three hundred ninety-three million, forty-eight thousand, six hundred ninety-two".