193442494 has 12 divisors (see below), whose sum is σ = 337537584. Its totient is φ = 82903884.

The previous prime is 193442461. The next prime is 193442519. The reversal of 193442494 is 494244391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 986854 + ... + 987049.

It is an arithmetic number, because the mean of its divisors is an integer number (28128132).

Almost surely, 2^193442494 is an apocalyptic number.

193442494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

193442494 is a deficient number, since it is larger than the sum of its proper divisors (144095090).

193442494 is a wasteful number, since it uses less digits than its factorization.

193442494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973919 (or 1973912 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 193442494 is about 13908.3605791624. The cubic root of 193442494 is about 578.3409724916.

The spelling of 193442494 in words is "one hundred ninety-three million, four hundred forty-two thousand, four hundred ninety-four".