394348544 has 24 divisors (see below), whose sum is σ = 788508630. Its totient is φ = 197173248.

The previous prime is 394348523. The next prime is 394348651. The reversal of 394348544 is 445843493.

It can be written as a sum of positive squares in only one way, i.e., 265298944 + 129049600 = 16288^2 + 11360^2 .

It is a junction number, because it is equal to n+sod(n) for n = 394348495 and 394348504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94229 + ... + 98324.

Almost surely, 2^394348544 is an apocalyptic number.

It is an amenable number.

394348544 is a deficient number, since it is larger than the sum of its proper divisors (394160086).

394348544 is an equidigital number, since it uses as much as digits as its factorization.

394348544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192575 (or 192555 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The square root of 394348544 is about 19858.2109969655. The cubic root of 394348544 is about 733.3198043418.

The spelling of 394348544 in words is "three hundred ninety-four million, three hundred forty-eight thousand, five hundred forty-four".