1906836290 has 16 divisors (see below), whose sum is σ = 3512127168. Its totient is φ = 744996336.

The previous prime is 1906836277. The next prime is 1906836301. The reversal of 1906836290 is 926386091.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216822 + ... + 2217681.

It is an arithmetic number, because the mean of its divisors is an integer number (219507948).

Almost surely, 2^1906836290 is an apocalyptic number.

1906836290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1906836290 is a deficient number, since it is larger than the sum of its proper divisors (1605290878).

1906836290 is a wasteful number, since it uses less digits than its factorization.

1906836290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434553.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1906836290 is about 43667.3366488042. The cubic root of 1906836290 is about 1240.0460202310.

The spelling of 1906836290 in words is "one billion, nine hundred six million, eight hundred thirty-six thousand, two hundred ninety".