1898982466 has 8 divisors (see below), whose sum is σ = 2946697020. Its totient is φ = 916750128.

The previous prime is 1898982461. The next prime is 1898982473. The reversal of 1898982466 is 6642898981.

It can be written as a sum of positive squares in 2 ways, for example, as 1629333225 + 269649241 = 40365^2 + 16421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1898982466² = 7212268812350882312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1898982461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16370481 + ... + 16370596.

Almost surely, 2^1898982466 is an apocalyptic number.

1898982466 is a deficient number, since it is larger than the sum of its proper divisors (1047714554).

1898982466 is a wasteful number, since it uses less digits than its factorization.

1898982466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32741108.

The product of its digits is 11943936, while the sum is 61.

The square root of 1898982466 is about 43577.3159568140. The cubic root of 1898982466 is about 1238.3411885202.

The spelling of 1898982466 in words is "one billion, eight hundred ninety-eight million, nine hundred eighty-two thousand, four hundred sixty-six".