2398825 has 36 divisors (see below), whose sum is σ = 3578764. Its totient is φ = 1584000.

The previous prime is 2398789. The next prime is 2398849. The reversal of 2398825 is 5288932.

It can be written as a sum of positive squares in 6 ways, for example, as 853776 + 1545049 = 924^2 + 1243^2 .

It is not a de Polignac number, because 2398825 - 2¹⁵ = 2366057 is a prime.

It is a super-2 number, since 2×2398825² = 11508722761250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁸ + 3¹¹ + 9 + 8⁴ + 8⁶ + 2¹¹ + 5⁹ .

It is a Duffinian number.

Its product of digits (34560) is a multiple of the sum of its prime divisors (90).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39295 + ... + 39355.

2^2398825 is an apocalyptic number.

2398825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2398825 is a deficient number, since it is larger than the sum of its proper divisors (1179939).

2398825 is a wasteful number, since it uses less digits than its factorization.

2398825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 90 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 2398825 is about 1548.8140624362. The cubic root of 2398825 is about 133.8647369021.

It can be divided in two parts, 2398 and 825, that added together give a palindrome (3223).

The spelling of 2398825 in words is "two million, three hundred ninety-eight thousand, eight hundred twenty-five".