1403899052 has 12 divisors (see below), whose sum is σ = 2461191096. Its totient is φ = 700701600.

The previous prime is 1403899051. The next prime is 1403899067. The reversal of 1403899052 is 2509983041.

It is not an unprimeable number, because it can be changed into a prime (1403899051) 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 3 ways as a sum of consecutive naturals, for example, 309449 + ... + 313952.

It is an arithmetic number, because the mean of its divisors is an integer number (205099258).

Almost surely, 2^1403899052 is an apocalyptic number.

It is an amenable number.

1403899052 is a deficient number, since it is larger than the sum of its proper divisors (1057292044).

1403899052 is a wasteful number, since it uses less digits than its factorization.

1403899052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623968 (or 623966 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 1403899052 is about 37468.6409147703. The cubic root of 1403899052 is about 1119.7265095404.

The spelling of 1403899052 in words is "one billion, four hundred three million, eight hundred ninety-nine thousand, fifty-two".