1395012784 has 40 divisors (see below), whose sum is σ = 2951788752. Its totient is φ = 633400320.

The previous prime is 1395012779. The next prime is 1395012791. The reversal of 1395012784 is 4872105931.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177972 + ... + 185644.

Almost surely, 2^1395012784 is an apocalyptic number.

It is an amenable number.

1395012784 is an abundant number, since it is smaller than the sum of its proper divisors (1556775968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395012784 is a wasteful number, since it uses less digits than its factorization.

1395012784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725 (or 8719 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1395012784 is about 37349.8699328391. The cubic root of 1395012784 is about 1117.3589941317.

The spelling of 1395012784 in words is "one billion, three hundred ninety-five million, twelve thousand, seven hundred eighty-four".