2528398 has 4 divisors (see below), whose sum is σ = 3792600. Its totient is φ = 1264198.

The previous prime is 2528377. The next prime is 2528399. The reversal of 2528398 is 8938252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632098 + ... + 632101.

It is an arithmetic number, because the mean of its divisors is an integer number (948150).

2^2528398 is an apocalyptic number.

2528398 is a deficient number, since it is larger than the sum of its proper divisors (1264202).

2528398 is a wasteful number, since it uses less digits than its factorization.

2528398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264201.

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

The square root of 2528398 is about 1590.0937079304. The cubic root of 2528398 is about 136.2328407535.

It can be divided in two parts, 2528 and 398, that added together give a triangular number (2926 = T₇₆).

The spelling of 2528398 in words is "two million, five hundred twenty-eight thousand, three hundred ninety-eight".