2189700338 has 32 divisors (see below), whose sum is σ = 3834969600. Its totient is φ = 937319040.

The previous prime is 2189700319. The next prime is 2189700449. The reversal of 2189700338 is 8330079812.

It is a junction number, because it is equal to n+sod(n) for n = 2189700295 and 2189700304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843170 + ... + 845762.

It is an arithmetic number, because the mean of its divisors is an integer number (119842800).

Almost surely, 2^2189700338 is an apocalyptic number.

2189700338 is a deficient number, since it is larger than the sum of its proper divisors (1645269262).

2189700338 is a wasteful number, since it uses less digits than its factorization.

2189700338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847 (or 3833 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 2189700338 is about 46794.2340251446. The cubic root of 2189700338 is about 1298.5586269280.

The spelling of 2189700338 in words is "two billion, one hundred eighty-nine million, seven hundred thousand, three hundred thirty-eight".