5158398 has 16 divisors (see below), whose sum is σ = 11790720. Its totient is φ = 1473816.

The previous prime is 5158393. The next prime is 5158411. The reversal of 5158398 is 8938515.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5158393) 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, 61368 + ... + 61451.

It is an arithmetic number, because the mean of its divisors is an integer number (736920).

Almost surely, 2^5158398 is an apocalyptic number.

5158398 is an abundant number, since it is smaller than the sum of its proper divisors (6632322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5158398 is a wasteful number, since it uses less digits than its factorization.

5158398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122831.

The product of its digits is 43200, while the sum is 39.

The square root of 5158398 is about 2271.2106903588. The cubic root of 5158398 is about 172.7845670588.

It can be divided in two parts, 51583 and 98, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 5158398 in words is "five million, one hundred fifty-eight thousand, three hundred ninety-eight".