2398158841 has 9 divisors (see below), whose sum is σ = 2597512431. Its totient is φ = 2213097432.

The previous prime is 2398158773. The next prime is 2398158859. The reversal of 2398158841 is 1488518932.

It is a happy number.

The square root of 2398158841 is 48971.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 354757225 + 2043401616 = 18835^2 + 45204^2 .

It is not a de Polignac number, because 2398158841 - 2¹³ = 2398150649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2398150841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 634740 + ... + 638506.

Almost surely, 2^2398158841 is an apocalyptic number.

2398158841 is the 48971-st square number.

2398158841 is the 24486-th centered octagonal number.

It is an amenable number.

2398158841 is a deficient number, since it is larger than the sum of its proper divisors (199353590).

2398158841 is an frugal number, since it uses more digits than its factorization.

2398158841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560 (or 3780 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

The cubic root of 2398158841 is about 1338.5234424382.

Multiplying 2398158841 by its sum of digits (49), we get a square (117509783209 = 342797²).

The spelling of 2398158841 in words is "two billion, three hundred ninety-eight million, one hundred fifty-eight thousand, eight hundred forty-one".