1829985284 has 12 divisors (see below), whose sum is σ = 3205884108. Its totient is φ = 914018400.

The previous prime is 1829985233. The next prime is 1829985293. The reversal of 1829985284 is 4825899281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 722426884 + 1107558400 = 26878^2 + 33280^2 .

It is a super-2 number, since 2×1829985284² = 6697692279313121312, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 239327 + ... + 246854.

It is an arithmetic number, because the mean of its divisors is an integer number (267157009).

Almost surely, 2^1829985284 is an apocalyptic number.

It is an amenable number.

1829985284 is a deficient number, since it is larger than the sum of its proper divisors (1375898824).

1829985284 is a wasteful number, since it uses less digits than its factorization.

1829985284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487126 (or 487124 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 56.

The square root of 1829985284 is about 42778.3272697753. The cubic root of 1829985284 is about 1223.1579219884.

The spelling of 1829985284 in words is "one billion, eight hundred twenty-nine million, nine hundred eighty-five thousand, two hundred eighty-four".