4129864 has 8 divisors (see below), whose sum is σ = 7743510. Its totient is φ = 2064928.

The previous prime is 4129841. The next prime is 4129871. The reversal of 4129864 is 4689214.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 1340964 = 1670^2 + 1158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258109 + ... + 258124.

Almost surely, 2^4129864 is an apocalyptic number.

It is an amenable number.

4129864 is a deficient number, since it is larger than the sum of its proper divisors (3613646).

4129864 is a wasteful number, since it uses less digits than its factorization.

4129864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516239 (or 516235 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4129864 is about 2032.2066824022. The cubic root of 4129864 is about 160.4397278890.

The spelling of 4129864 in words is "four million, one hundred twenty-nine thousand, eight hundred sixty-four".