2170893387 has 96 divisors (see below), whose sum is σ = 3551827968. Its totient is φ = 1172041728.

The previous prime is 2170893383. The next prime is 2170893401. The reversal of 2170893387 is 7833980712.

It is not a de Polignac number, because 2170893387 - 2² = 2170893383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2170893383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9317023 + ... + 9317255.

It is an arithmetic number, because the mean of its divisors is an integer number (36998208).

Almost surely, 2^2170893387 is an apocalyptic number.

2170893387 is a deficient number, since it is larger than the sum of its proper divisors (1380934581).

2170893387 is a wasteful number, since it uses less digits than its factorization.

2170893387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 2170893387 is about 46592.8469510074. The cubic root of 2170893387 is about 1294.8302350966.

The spelling of 2170893387 in words is "two billion, one hundred seventy million, eight hundred ninety-three thousand, three hundred eighty-seven".