2129673 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1080576.

The previous prime is 2129671. The next prime is 2129689. The reversal of 2129673 is 3769212.

It is not a de Polignac number, because 2129673 - 2¹ = 2129671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2129673.

It is not an unprimeable number, because it can be changed into a prime (2129671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7783 + ... + 8051.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^2129673 is an apocalyptic number.

It is an amenable number.

2129673 is a deficient number, since it is larger than the sum of its proper divisors (1499127).

2129673 is a wasteful number, since it uses less digits than its factorization.

2129673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321.

The product of its digits is 4536, while the sum is 30.

The square root of 2129673 is about 1459.3399192786. The cubic root of 2129673 is about 128.6582505286.

The spelling of 2129673 in words is "two million, one hundred twenty-nine thousand, six hundred seventy-three".