190442888 has 8 divisors (see below), whose sum is σ = 357080430. Its totient is φ = 95221440.

The previous prime is 190442887. The next prime is 190442893. The reversal of 190442888 is 888244091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 78464164 = 10582^2 + 8858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (190442887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11902673 + ... + 11902688.

Almost surely, 2^190442888 is an apocalyptic number.

It is an amenable number.

190442888 is a deficient number, since it is larger than the sum of its proper divisors (166637542).

190442888 is a wasteful number, since it uses less digits than its factorization.

190442888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23805367 (or 23805363 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 190442888 is about 13800.1046372845. The cubic root of 190442888 is about 575.3360485547.

The spelling of 190442888 in words is "one hundred ninety million, four hundred forty-two thousand, eight hundred eighty-eight".