393748048 has 20 divisors (see below), whose sum is σ = 769641588. Its totient is φ = 195130880.

The previous prime is 393748031. The next prime is 393748073. The reversal of 393748048 is 840847393.

It can be written as a sum of positive squares in 2 ways, for example, as 201980944 + 191767104 = 14212^2 + 13848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 393747989 and 393748007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107083 + ... + 110698.

Almost surely, 2^393748048 is an apocalyptic number.

It is an amenable number.

393748048 is a deficient number, since it is larger than the sum of its proper divisors (375893540).

393748048 is a wasteful number, since it uses less digits than its factorization.

393748048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217902 (or 217896 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 393748048 is about 19843.0856471467. The cubic root of 393748048 is about 732.9473932492.

The spelling of 393748048 in words is "three hundred ninety-three million, seven hundred forty-eight thousand, forty-eight".