4206249 has 10 divisors (see below), whose sum is σ = 6283530. Its totient is φ = 2804112.

The previous prime is 4206233. The next prime is 4206281. The reversal of 4206249 is 9426024.

It can be written as a sum of positive squares in only one way, i.e., 4173849 + 32400 = 2043^2 + 180^2 .

It is not a de Polignac number, because 4206249 - 2⁴ = 4206233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4³ + 2²¹ + 0 + 6⁵ + 2²¹ + 4⁶ + 9 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4206299) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25884 + ... + 26045.

It is an arithmetic number, because the mean of its divisors is an integer number (628353).

Almost surely, 2^4206249 is an apocalyptic number.

It is an amenable number.

4206249 is a deficient number, since it is larger than the sum of its proper divisors (2077281).

4206249 is an equidigital number, since it uses as much as digits as its factorization.

4206249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51941 (or 51932 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4206249 is about 2050.9141864057. The cubic root of 4206249 is about 161.4228433278.

The spelling of 4206249 in words is "four million, two hundred six thousand, two hundred forty-nine".