1902990682 has 16 divisors (see below), whose sum is σ = 2912297472. Its totient is φ = 932374080.

The previous prime is 1902990673. The next prime is 1902990689. The reversal of 1902990682 is 2860992091.

It is not an unprimeable number, because it can be changed into a prime (1902990689) 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 7 ways as a sum of consecutive naturals, for example, 11583 + ... + 62770.

It is an arithmetic number, because the mean of its divisors is an integer number (182018592).

Almost surely, 2^1902990682 is an apocalyptic number.

1902990682 is a deficient number, since it is larger than the sum of its proper divisors (1009306790).

1902990682 is a wasteful number, since it uses less digits than its factorization.

1902990682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74613.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 1902990682 is about 43623.2814217363. The cubic root of 1902990682 is about 1239.2118391508.

The spelling of 1902990682 in words is "one billion, nine hundred two million, nine hundred ninety thousand, six hundred eighty-two".