1384404725 has 48 divisors (see below), whose sum is σ = 1913877504. Its totient is φ = 984984000.

The previous prime is 1384404713. The next prime is 1384404731. The reversal of 1384404725 is 5274044831.

It is not a de Polignac number, because 1384404725 - 2¹⁸ = 1384142581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2989844 + ... + 2990306.

It is an arithmetic number, because the mean of its divisors is an integer number (39872448).

Almost surely, 2^1384404725 is an apocalyptic number.

It is an amenable number.

1384404725 is a deficient number, since it is larger than the sum of its proper divisors (529472779).

1384404725 is a wasteful number, since it uses less digits than its factorization.

1384404725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 1384404725 is about 37207.5896155610. The cubic root of 1384404725 is about 1114.5195500888.

The spelling of 1384404725 in words is "one billion, three hundred eighty-four million, four hundred four thousand, seven hundred twenty-five".