4205949 has 8 divisors (see below), whose sum is σ = 6117792. Its totient is φ = 2549040.

The previous prime is 4205947. The next prime is 4205951. The reversal of 4205949 is 9495024.

It is an interprime number because it is at equal distance from previous prime (4205947) and next prime (4205951).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4205949 - 2¹ = 4205947 is a prime.

It is a super-3 number, since 3×4205949³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 127453 = 4205949 / (4 + 2 + 0 + 5 + 9 + 4 + 9).

4205949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205947) 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 7 ways as a sum of consecutive naturals, for example, 63694 + ... + 63759.

It is an arithmetic number, because the mean of its divisors is an integer number (764724).

Almost surely, 2^4205949 is an apocalyptic number.

It is an amenable number.

4205949 is a deficient number, since it is larger than the sum of its proper divisors (1911843).

4205949 is a wasteful number, since it uses less digits than its factorization.

4205949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127467.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 4205949 is about 2050.8410469854. The cubic root of 4205949 is about 161.4190055454.

The spelling of 4205949 in words is "four million, two hundred five thousand, nine hundred forty-nine".