1840706900 has 36 divisors (see below), whose sum is σ = 4039233660. Its totient is φ = 728006400.

The previous prime is 1840706897. The next prime is 1840706911. The reversal of 1840706900 is 96070481.

It can be written as a sum of positive squares in 6 ways, for example, as 200618896 + 1640088004 = 14164^2 + 40498^2 .

It is a super-2 number, since 2×1840706900² = 6776403783415220000, 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 11 ways as a sum of consecutive naturals, for example, 94511 + ... + 112310.

It is an arithmetic number, because the mean of its divisors is an integer number (112200935).

Almost surely, 2^1840706900 is an apocalyptic number.

1840706900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1840706900 is an abundant number, since it is smaller than the sum of its proper divisors (2198526760).

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

1840706900 is a wasteful number, since it uses less digits than its factorization.

1840706900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206924 (or 206917 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1840706900 is about 42903.4602334124. The cubic root of 1840706900 is about 1225.5420397278.

The spelling of 1840706900 in words is "one billion, eight hundred forty million, seven hundred six thousand, nine hundred".