2129604 has 12 divisors (see below), whose sum is σ = 4969104. Its totient is φ = 709864.

The previous prime is 2129599. The next prime is 2129627. The reversal of 2129604 is 4069212.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88722 + ... + 88745.

It is an arithmetic number, because the mean of its divisors is an integer number (414092).

2^2129604 is an apocalyptic number.

It is an amenable number.

2129604 is an abundant number, since it is smaller than the sum of its proper divisors (2839500).

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

2129604 is a wasteful number, since it uses less digits than its factorization.

2129604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177474 (or 177472 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2129604 is about 1459.3162782618. The cubic root of 2129604 is about 128.6568610328.

The spelling of 2129604 in words is "two million, one hundred twenty-nine thousand, six hundred four".