1190427838 has 16 divisors (see below), whose sum is σ = 1849829760. Its totient is φ = 573955200.

The previous prime is 1190427829. The next prime is 1190427877. The reversal of 1190427838 is 8387240911.

It is a junction number, because it is equal to n+sod(n) for n = 1190427794 and 1190427803.

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 in 7 ways as a sum of consecutive naturals, for example, 16743 + ... + 51586.

It is an arithmetic number, because the mean of its divisors is an integer number (115614360).

Almost surely, 2^1190427838 is an apocalyptic number.

1190427838 is a deficient number, since it is larger than the sum of its proper divisors (659401922).

1190427838 is a wasteful number, since it uses less digits than its factorization.

1190427838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68643.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1190427838 is about 34502.5772660536. The cubic root of 1190427838 is about 1059.8254839076.

The spelling of 1190427838 in words is "one billion, one hundred ninety million, four hundred twenty-seven thousand, eight hundred thirty-eight".