1403813982 has 32 divisors (see below), whose sum is σ = 2908200960. Its totient is φ = 451280160.

The previous prime is 1403813977. The next prime is 1403813989. The reversal of 1403813982 is 2893183041.

It is a self number, because there is not a number n which added to its sum of digits gives 1403813982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403813989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41619 + ... + 67377.

It is an arithmetic number, because the mean of its divisors is an integer number (90881280).

Almost surely, 2^1403813982 is an apocalyptic number.

1403813982 is an abundant number, since it is smaller than the sum of its proper divisors (1504386978).

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

1403813982 is a wasteful number, since it uses less digits than its factorization.

1403813982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1403813982 is about 37467.5056815903. The cubic root of 1403813982 is about 1119.7038922784.

The spelling of 1403813982 in words is "one billion, four hundred three million, eight hundred thirteen thousand, nine hundred eighty-two".