1801002982 has 8 divisors (see below), whose sum is σ = 2767394952. Its totient is φ = 878538000.

The previous prime is 1801002961. The next prime is 1801003019. The reversal of 1801002982 is 2892001081.

It is a happy number.

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

It is a super-2 number, since 2×1801002982² = 6487223482345784648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10981644 + ... + 10981807.

It is an arithmetic number, because the mean of its divisors is an integer number (345924369).

Almost surely, 2^1801002982 is an apocalyptic number.

1801002982 is a deficient number, since it is larger than the sum of its proper divisors (966391970).

1801002982 is a wasteful number, since it uses less digits than its factorization.

1801002982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21963494.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1801002982 is about 42438.2254812804. The cubic root of 1801002982 is about 1216.6662956484. Note that the first 3 decimals are identical.

The spelling of 1801002982 in words is "one billion, eight hundred one million, two thousand, nine hundred eighty-two".