1904885086 has 32 divisors (see below), whose sum is σ = 3186263808. Its totient is φ = 848171520.

The previous prime is 1904885077. The next prime is 1904885089. The reversal of 1904885086 is 6805884091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904885089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268116 + ... + 275128.

It is an arithmetic number, because the mean of its divisors is an integer number (99570744).

Almost surely, 2^1904885086 is an apocalyptic number.

1904885086 is a deficient number, since it is larger than the sum of its proper divisors (1281378722).

1904885086 is a wasteful number, since it uses less digits than its factorization.

1904885086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7396.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 1904885086 is about 43644.9892427527. The cubic root of 1904885086 is about 1239.6229095300.

The spelling of 1904885086 in words is "one billion, nine hundred four million, eight hundred eighty-five thousand, eighty-six".