2104389287 has 48 divisors (see below), whose sum is σ = 2860032000. Its totient is φ = 1506669120.

The previous prime is 2104389269. The next prime is 2104389293. The reversal of 2104389287 is 7829834012.

It is not a de Polignac number, because 2104389287 - 2¹⁴ = 2104372903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104389227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4216964 + ... + 4217462.

It is an arithmetic number, because the mean of its divisors is an integer number (59584000).

Almost surely, 2^2104389287 is an apocalyptic number.

2104389287 is a deficient number, since it is larger than the sum of its proper divisors (755642713).

2104389287 is a wasteful number, since it uses less digits than its factorization.

2104389287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 2104389287 is about 45873.6229984073. The cubic root of 2104389287 is about 1281.4707392608.

The spelling of 2104389287 in words is "two billion, one hundred four million, three hundred eighty-nine thousand, two hundred eighty-seven".