2518398 has 32 divisors (see below), whose sum is σ = 5652000. Its totient is φ = 831168.

The previous prime is 2518391. The next prime is 2518421. The reversal of 2518398 is 8938152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7890 + ... + 8202.

It is an arithmetic number, because the mean of its divisors is an integer number (176625).

2^2518398 is an apocalyptic number.

2518398 is an abundant number, since it is smaller than the sum of its proper divisors (3133602).

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

2518398 is a wasteful number, since it uses less digits than its factorization.

2518398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 467 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 2518398 is about 1586.9461238492. The cubic root of 2518398 is about 136.0529998159.

It can be divided in two parts, 25183 and 98, that added together give a square (25281 = 159²).

The spelling of 2518398 in words is "two million, five hundred eighteen thousand, three hundred ninety-eight".