1985630704 has 20 divisors (see below), whose sum is σ = 3884513776. Its totient is φ = 983175552.

The previous prime is 1985630683. The next prime is 1985630723. The reversal of 1985630704 is 4070365891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600789 + ... + 604084.

Almost surely, 2^1985630704 is an apocalyptic number.

It is an amenable number.

1985630704 is a deficient number, since it is larger than the sum of its proper divisors (1898883072).

1985630704 is a wasteful number, since it uses less digits than its factorization.

1985630704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204984 (or 1204978 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1985630704 is about 44560.4163355775. The cubic root of 1985630704 is about 1256.8964315984.

The spelling of 1985630704 in words is "one billion, nine hundred eighty-five million, six hundred thirty thousand, seven hundred four".