2173928346 has 24 divisors (see below), whose sum is σ = 4987248084. Its totient is φ = 682016640.

The previous prime is 2173928321. The next prime is 2173928353. The reversal of 2173928346 is 6438293712.

2173928346 is a `hidden beast` number, since 217 + 3 + 92 + 8 + 346 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1631271321 + 542657025 = 40389^2 + 23295^2 .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3551865 + ... + 3552476.

Almost surely, 2^2173928346 is an apocalyptic number.

2173928346 is an abundant number, since it is smaller than the sum of its proper divisors (2813319738).

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

2173928346 is a wasteful number, since it uses less digits than its factorization.

2173928346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104366 (or 7104363 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 2173928346 is about 46625.4045129906. The cubic root of 2173928346 is about 1295.4333549647.

The spelling of 2173928346 in words is "two billion, one hundred seventy-three million, nine hundred twenty-eight thousand, three hundred forty-six".