190933442 has 32 divisors (see below), whose sum is σ = 345123072. Its totient is φ = 77451264.

The previous prime is 190933429. The next prime is 190933453. The reversal of 190933442 is 244339091.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28178 + ... + 34290.

It is an arithmetic number, because the mean of its divisors is an integer number (10785096).

Almost surely, 2^190933442 is an apocalyptic number.

190933442 is a deficient number, since it is larger than the sum of its proper divisors (154189630).

190933442 is a wasteful number, since it uses less digits than its factorization.

190933442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 190933442 is about 13817.8667673415. The cubic root of 190933442 is about 575.8296198260.

The spelling of 190933442 in words is "one hundred ninety million, nine hundred thirty-three thousand, four hundred forty-two".