1890973216 has 48 divisors (see below), whose sum is σ = 4192328448. Its totient is φ = 831801600.

The previous prime is 1890973181. The next prime is 1890973219. The reversal of 1890973216 is 6123790981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1890973219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75735 + ... + 97558.

It is an arithmetic number, because the mean of its divisors is an integer number (87340176).

Almost surely, 2^1890973216 is an apocalyptic number.

1890973216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1890973216 is an abundant number, since it is smaller than the sum of its proper divisors (2301355232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1890973216 is a wasteful number, since it uses less digits than its factorization.

1890973216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173345 (or 173337 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 1890973216 is about 43485.3218454227. The cubic root of 1890973216 is about 1236.5977705007.

It can be divided in two parts, 1890 and 973216, that added together give a triangular number (975106 = T₁₃₉₆).

The spelling of 1890973216 in words is "one billion, eight hundred ninety million, nine hundred seventy-three thousand, two hundred sixteen".