193999952 has 10 divisors (see below), whose sum is σ = 375874938. Its totient is φ = 96999968.

The previous prime is 193999931. The next prime is 193999969. The reversal of 193999952 is 259999391.

It can be written as a sum of positive squares in only one way, i.e., 114147856 + 79852096 = 10684^2 + 8936^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062483 + ... + 6062514.

Almost surely, 2^193999952 is an apocalyptic number.

It is an amenable number.

193999952 is a deficient number, since it is larger than the sum of its proper divisors (181874986).

193999952 is a wasteful number, since it uses less digits than its factorization.

193999952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12125005 (or 12124999 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 56.

The square root of 193999952 is about 13928.3865540844. The cubic root of 193999952 is about 578.8959894622.

The spelling of 193999952 in words is "one hundred ninety-three million, nine hundred ninety-nine thousand, nine hundred fifty-two".