1896728042 has 16 divisors (see below), whose sum is σ = 3113664192. Its totient is φ = 859391520.

The previous prime is 1896728023. The next prime is 1896728107. The reversal of 1896728042 is 2408276981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130838 + ... + 144609.

It is an arithmetic number, because the mean of its divisors is an integer number (194604012).

Almost surely, 2^1896728042 is an apocalyptic number.

1896728042 is a deficient number, since it is larger than the sum of its proper divisors (1216936150).

1896728042 is a wasteful number, since it uses less digits than its factorization.

1896728042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275773.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1896728042 is about 43551.4413309135. The cubic root of 1896728042 is about 1237.8509520140.

The spelling of 1896728042 in words is "one billion, eight hundred ninety-six million, seven hundred twenty-eight thousand, forty-two".