393484742 has 16 divisors (see below), whose sum is σ = 676058400. Its totient is φ = 168258048.

The previous prime is 393484723. The next prime is 393484801. The reversal of 393484742 is 247484393.

It is a junction number, because it is equal to n+sod(n) for n = 393484693 and 393484702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25013 + ... + 37584.

It is an arithmetic number, because the mean of its divisors is an integer number (42253650).

Almost surely, 2^393484742 is an apocalyptic number.

393484742 is a deficient number, since it is larger than the sum of its proper divisors (282573658).

393484742 is a wasteful number, since it uses less digits than its factorization.

393484742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63055.

The product of its digits is 580608, while the sum is 44.

The square root of 393484742 is about 19836.4498335766. The cubic root of 393484742 is about 732.7839786988.

The spelling of 393484742 in words is "three hundred ninety-three million, four hundred eighty-four thousand, seven hundred forty-two".