1475903985 has 32 divisors (see below), whose sum is σ = 2430933120. Its totient is φ = 764295168.

The previous prime is 1475903981. The next prime is 1475903993. The reversal of 1475903985 is 5893095741.

It is not a de Polignac number, because 1475903985 - 2² = 1475903981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1475903981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67546 + ... + 86684.

It is an arithmetic number, because the mean of its divisors is an integer number (75966660).

Almost surely, 2^1475903985 is an apocalyptic number.

1475903985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1475903985 is a deficient number, since it is larger than the sum of its proper divisors (955029135).

1475903985 is a wasteful number, since it uses less digits than its factorization.

1475903985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19297.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 1475903985 is about 38417.4958189625. The cubic root of 1475903985 is about 1138.5515576406.

The spelling of 1475903985 in words is "one billion, four hundred seventy-five million, nine hundred three thousand, nine hundred eighty-five".