193961088 has 64 divisors (see below), whose sum is σ = 572464800. Its totient is φ = 64652544.

The previous prime is 193961087. The next prime is 193961129. The reversal of 193961088 is 880169391.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (193961081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24606 + ... + 31517.

Almost surely, 2^193961088 is an apocalyptic number.

193961088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

193961088 is an abundant number, since it is smaller than the sum of its proper divisors (378503712).

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

193961088 is an equidigital number, since it uses as much as digits as its factorization.

193961088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56146 (or 56128 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 193961088 is about 13926.9913477391. The cubic root of 193961088 is about 578.8573301464.

The spelling of 193961088 in words is "one hundred ninety-three million, nine hundred sixty-one thousand, eighty-eight".