4198551 has 8 divisors (see below), whose sum is σ = 6397824. Its totient is φ = 2399160.

The previous prime is 4198549. The next prime is 4198553. The reversal of 4198551 is 1558914.

It is an interprime number because it is at equal distance from previous prime (4198549) and next prime (4198553).

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

It is not a de Polignac number, because 4198551 - 2¹ = 4198549 is a prime.

4198551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4198553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99945 + ... + 99986.

It is an arithmetic number, because the mean of its divisors is an integer number (799728).

Almost surely, 2^4198551 is an apocalyptic number.

4198551 is a deficient number, since it is larger than the sum of its proper divisors (2199273).

4198551 is a wasteful number, since it uses less digits than its factorization.

4198551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199941.

The product of its digits is 7200, while the sum is 33.

The square root of 4198551 is about 2049.0366028942. The cubic root of 4198551 is about 161.3243080389.

The spelling of 4198551 in words is "four million, one hundred ninety-eight thousand, five hundred fifty-one".