5121398 has 8 divisors (see below), whose sum is σ = 7693920. Its totient is φ = 2556760.

The previous prime is 5121383. The next prime is 5121419. The reversal of 5121398 is 8931215.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5121398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 3201.

It is an arithmetic number, because the mean of its divisors is an integer number (961740).

Almost surely, 2^5121398 is an apocalyptic number.

5121398 is a deficient number, since it is larger than the sum of its proper divisors (2572522).

5121398 is a wasteful number, since it uses less digits than its factorization.

5121398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 2160, while the sum is 29.

The square root of 5121398 is about 2263.0505959876. The cubic root of 5121398 is about 172.3704607526.

The spelling of 5121398 in words is "five million, one hundred twenty-one thousand, three hundred ninety-eight".