4208997 has 8 divisors (see below), whose sum is σ = 6043744. Its totient is φ = 2590128.

The previous prime is 4208983. The next prime is 4208999. The reversal of 4208997 is 7998024.

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

It is not a de Polignac number, because 4208997 - 2⁶ = 4208933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 107923 = 4208997 / (4 + 2 + 0 + 8 + 9 + 9 + 7).

It is a Duffinian number.

4208997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4208999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53923 + ... + 54000.

It is an arithmetic number, because the mean of its divisors is an integer number (755468).

Almost surely, 2^4208997 is an apocalyptic number.

It is an amenable number.

4208997 is a deficient number, since it is larger than the sum of its proper divisors (1834747).

4208997 is a wasteful number, since it uses less digits than its factorization.

4208997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107939.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4208997 is about 2051.5840221643. The cubic root of 4208997 is about 161.4579889256.

The spelling of 4208997 in words is "four million, two hundred eight thousand, nine hundred ninety-seven".