1963431996 has 24 divisors (see below), whose sum is σ = 4729127424. Its totient is φ = 633365040.

The previous prime is 1963431991. The next prime is 1963432001. The reversal of 1963431996 is 6991343691.

It is an interprime number because it is at equal distance from previous prime (1963431991) and next prime (1963432001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963431991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2638650 + ... + 2639393.

It is an arithmetic number, because the mean of its divisors is an integer number (197046976).

Almost surely, 2^1963431996 is an apocalyptic number.

It is an amenable number.

1963431996 is an abundant number, since it is smaller than the sum of its proper divisors (2765695428).

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

1963431996 is a wasteful number, since it uses less digits than its factorization.

1963431996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278081 (or 5278079 counting only the distinct ones).

The product of its digits is 944784, while the sum is 51.

The square root of 1963431996 is about 44310.6307334933. The cubic root of 1963431996 is about 1252.1949692453.

The spelling of 1963431996 in words is "one billion, nine hundred sixty-three million, four hundred thirty-one thousand, nine hundred ninety-six".