4200399 has 24 divisors (see below), whose sum is σ = 7054112. Its totient is φ = 2358720.

The previous prime is 4200397. The next prime is 4200401. The reversal of 4200399 is 9930024.

It is an interprime number because it is at equal distance from previous prime (4200397) and next prime (4200401).

It is not a de Polignac number, because 4200399 - 2¹ = 4200397 is a prime.

It is a Duffinian number.

4200399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3297 + ... + 4389.

Almost surely, 2^4200399 is an apocalyptic number.

4200399 is a deficient number, since it is larger than the sum of its proper divisors (2853713).

4200399 is a wasteful number, since it uses less digits than its factorization.

4200399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 4200399 is about 2049.4874969123. The cubic root of 4200399 is about 161.3479736314.

The spelling of 4200399 in words is "four million, two hundred thousand, three hundred ninety-nine".