19942958 has 8 divisors (see below), whose sum is σ = 34187952. Its totient is φ = 8546976.

The previous prime is 19942957. The next prime is 19942961. The reversal of 19942958 is 85924991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19942957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712235 + ... + 712262.

It is an arithmetic number, because the mean of its divisors is an integer number (4273494).

Almost surely, 2^19942958 is an apocalyptic number.

19942958 is a deficient number, since it is larger than the sum of its proper divisors (14244994).

19942958 is a wasteful number, since it uses less digits than its factorization.

19942958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424506.

The product of its digits is 233280, while the sum is 47.

The square root of 19942958 is about 4465.7539117152. The cubic root of 19942958 is about 271.1834562499.

The spelling of 19942958 in words is "nineteen million, nine hundred forty-two thousand, nine hundred fifty-eight".