190804942 has 4 divisors (see below), whose sum is σ = 286207416. Its totient is φ = 95402470.

The previous prime is 190804919. The next prime is 190804961. The reversal of 190804942 is 249408091.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47701234 + ... + 47701237.

It is an arithmetic number, because the mean of its divisors is an integer number (71551854).

Almost surely, 2^190804942 is an apocalyptic number.

190804942 is a deficient number, since it is larger than the sum of its proper divisors (95402474).

190804942 is an equidigital number, since it uses as much as digits as its factorization.

190804942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95402473.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 190804942 is about 13813.2162076759. The cubic root of 190804942 is about 575.7004112544.

It can be divided in two parts, 1908049 and 42, that added together give a palindrome (1908091).

The spelling of 190804942 in words is "one hundred ninety million, eight hundred four thousand, nine hundred forty-two".