2170424 has 16 divisors (see below), whose sum is σ = 4309200. Its totient is φ = 1021312.

The previous prime is 2170423. The next prime is 2170429. The reversal of 2170424 is 4240712.

It is a junction number, because it is equal to n+sod(n) for n = 2170396 and 2170405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7844 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

2^2170424 is an apocalyptic number.

It is an amenable number.

2170424 is a deficient number, since it is larger than the sum of its proper divisors (2138776).

2170424 is a wasteful number, since it uses less digits than its factorization.

2170424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982 (or 15978 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2170424 is about 1473.2358942138. The cubic root of 2170424 is about 129.4736906348.

The spelling of 2170424 in words is "two million, one hundred seventy thousand, four hundred twenty-four".