199740104 has 8 divisors (see below), whose sum is σ = 374512710. Its totient is φ = 99870048.

The previous prime is 199740071. The next prime is 199740113. The reversal of 199740104 is 401047991.

It can be written as a sum of positive squares in only one way, i.e., 112317604 + 87422500 = 10598^2 + 9350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×199740104² = 79792218291861632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12483749 + ... + 12483764.

Almost surely, 2^199740104 is an apocalyptic number.

It is an amenable number.

199740104 is a deficient number, since it is larger than the sum of its proper divisors (174772606).

199740104 is a wasteful number, since it uses less digits than its factorization.

199740104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24967519 (or 24967515 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 199740104 is about 14132.9439254530. The cubic root of 199740104 is about 584.5501243333.

The spelling of 199740104 in words is "one hundred ninety-nine million, seven hundred forty thousand, one hundred four".