5198421 has 8 divisors (see below), whose sum is σ = 7154944. Its totient is φ = 3353760.

The previous prime is 5198387. The next prime is 5198423. The reversal of 5198421 is 1248915.

It is a happy number.

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

It is not a de Polignac number, because 5198421 - 2⁶ = 5198357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198423) 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, 27856 + ... + 28041.

It is an arithmetic number, because the mean of its divisors is an integer number (894368).

Almost surely, 2^5198421 is an apocalyptic number.

It is an amenable number.

5198421 is a deficient number, since it is larger than the sum of its proper divisors (1956523).

5198421 is a wasteful number, since it uses less digits than its factorization.

5198421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55931.

The product of its digits is 2880, while the sum is 30.

The square root of 5198421 is about 2280.0046052585. The cubic root of 5198421 is about 173.2302835039.

The spelling of 5198421 in words is "five million, one hundred ninety-eight thousand, four hundred twenty-one".