981482090 has 32 divisors (see below), whose sum is σ = 1862099280. Its totient is φ = 371897344.

The previous prime is 981482087. The next prime is 981482123. The reversal of 981482090 is 90284189.

It can be written as a sum of positive squares in 8 ways, for example, as 629056561 + 352425529 = 25081^2 + 18773^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16559 + ... + 47298.

Almost surely, 2^981482090 is an apocalyptic number.

981482090 is a deficient number, since it is larger than the sum of its proper divisors (880617190).

981482090 is a wasteful number, since it uses less digits than its factorization.

981482090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63946.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 981482090 is about 31328.6145560253. The cubic root of 981482090 is about 993.7888650069.

The spelling of 981482090 in words is "nine hundred eighty-one million, four hundred eighty-two thousand, ninety".