1393754444 has 6 divisors (see below), whose sum is σ = 2439070284. Its totient is φ = 696877220.

The previous prime is 1393754423. The next prime is 1393754447. The reversal of 1393754444 is 4444573931.

It is a junction number, because it is equal to n+sod(n) for n = 1393754395 and 1393754404.

It is not an unprimeable number, because it can be changed into a prime (1393754447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174219302 + ... + 174219309.

It is an arithmetic number, because the mean of its divisors is an integer number (406511714).

Almost surely, 2^1393754444 is an apocalyptic number.

It is an amenable number.

1393754444 is a deficient number, since it is larger than the sum of its proper divisors (1045315840).

1393754444 is a wasteful number, since it uses less digits than its factorization.

1393754444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348438615 (or 348438613 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The square root of 1393754444 is about 37333.0208260730. The cubic root of 1393754444 is about 1117.0229301901.

The spelling of 1393754444 in words is "one billion, three hundred ninety-three million, seven hundred fifty-four thousand, four hundred forty-four".