393484744 has 16 divisors (see below), whose sum is σ = 754942320. Its totient is φ = 192166800.

The previous prime is 393484723. The next prime is 393484801. The reversal of 393484744 is 447484393.

It is a junction number, because it is equal to n+sod(n) for n = 393484694 and 393484703.

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, 571582 + ... + 572269.

It is an arithmetic number, because the mean of its divisors is an integer number (47183895).

Almost surely, 2^393484744 is an apocalyptic number.

It is an amenable number.

393484744 is a deficient number, since it is larger than the sum of its proper divisors (361457576).

393484744 is a wasteful number, since it uses less digits than its factorization.

393484744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143900 (or 1143896 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 393484744 is about 19836.4498839888. The cubic root of 393484744 is about 732.7839799403.

The spelling of 393484744 in words is "three hundred ninety-three million, four hundred eighty-four thousand, seven hundred forty-four".