210899044 has 12 divisors (see below), whose sum is σ = 374129644. Its totient is φ = 104004864.

The previous prime is 210899027. The next prime is 210899063. The reversal of 210899044 is 440998012.

It is a happy number.

210899044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 123476544 + 87422500 = 11112^2 + 9350^2 .

It is a super-2 number, since 2×210899044² = 88956813520227872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 210898994 and 210899012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360837 + ... + 361420.

Almost surely, 2^210899044 is an apocalyptic number.

It is an amenable number.

210899044 is a deficient number, since it is larger than the sum of its proper divisors (163230600).

210899044 is a wasteful number, since it uses less digits than its factorization.

210899044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722334 (or 722332 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 210899044 is about 14522.3635817315. The cubic root of 210899044 is about 595.2392174185.

The spelling of 210899044 in words is "two hundred ten million, eight hundred ninety-nine thousand, forty-four".