4200999 has 24 divisors (see below), whose sum is σ = 6281856. Its totient is φ = 2494800.

The previous prime is 4200991. The next prime is 4201003. The reversal of 4200999 is 9990024.

It is a happy number.

It is not a de Polignac number, because 4200999 - 2³ = 4200991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25692 + ... + 25854.

It is an arithmetic number, because the mean of its divisors is an integer number (261744).

Almost surely, 2^4200999 is an apocalyptic number.

4200999 is a deficient number, since it is larger than the sum of its proper divisors (2080857).

4200999 is a wasteful number, since it uses less digits than its factorization.

4200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 4200999 is about 2049.6338697436. The cubic root of 4200999 is about 161.3556557726.

The spelling of 4200999 in words is "four million, two hundred thousand, nine hundred ninety-nine".