199993704 has 16 divisors (see below), whose sum is σ = 499984320. Its totient is φ = 66664560.

The previous prime is 199993697. The next prime is 199993747. The reversal of 199993704 is 407399991.

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, 4166512 + ... + 4166559.

It is an arithmetic number, because the mean of its divisors is an integer number (31249020).

Almost surely, 2^199993704 is an apocalyptic number.

It is an amenable number.

199993704 is an abundant number, since it is smaller than the sum of its proper divisors (299990616).

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

199993704 is a wasteful number, since it uses less digits than its factorization.

199993704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333080 (or 8333076 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 51.

The square root of 199993704 is about 14141.9130247644. The cubic root of 199993704 is about 584.7974110396.

It can be divided in two parts, 1999 and 93704, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 199993704 in words is "one hundred ninety-nine million, nine hundred ninety-three thousand, seven hundred four".