1994963764 has 24 divisors (see below), whose sum is σ = 3591207648. Its totient is φ = 969299040.

The previous prime is 1994963759. The next prime is 1994963777. The reversal of 1994963764 is 4673694991.

It is a junction number, because it is equal to n+sod(n) for n = 1994963699 and 1994963708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29002 + ... + 69505.

It is an arithmetic number, because the mean of its divisors is an integer number (149633652).

Almost surely, 2^1994963764 is an apocalyptic number.

It is an amenable number.

1994963764 is a deficient number, since it is larger than the sum of its proper divisors (1596243884).

1994963764 is a wasteful number, since it uses less digits than its factorization.

1994963764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98655 (or 98653 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 58.

The square root of 1994963764 is about 44665.0172282515. The cubic root of 1994963764 is about 1258.8626176866.

The spelling of 1994963764 in words is "one billion, nine hundred ninety-four million, nine hundred sixty-three thousand, seven hundred sixty-four".