42190933 has 4 divisors (see below), whose sum is σ = 42272128. Its totient is φ = 42109740.

The previous prime is 42190903. The next prime is 42190937. The reversal of 42190933 is 33909124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42190933 - 2¹³ = 42182741 is a prime.

It is a super-3 number, since 3×42190933³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42190895 and 42190904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42190937) 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, 39813 + ... + 40858.

It is an arithmetic number, because the mean of its divisors is an integer number (10568032).

Almost surely, 2^42190933 is an apocalyptic number.

It is an amenable number.

42190933 is a deficient number, since it is larger than the sum of its proper divisors (81195).

42190933 is an equidigital number, since it uses as much as digits as its factorization.

42190933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81194.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 42190933 is about 6495.4547954704. The cubic root of 42190933 is about 348.1286049756.

The spelling of 42190933 in words is "forty-two million, one hundred ninety thousand, nine hundred thirty-three".