2398551 has 8 divisors (see below), whose sum is σ = 3266304. Its totient is φ = 1564920.

The previous prime is 2398549. The next prime is 2398553. The reversal of 2398551 is 1558932.

2398551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2398549) and next prime (2398553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2398551 - 2¹ = 2398549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8365 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (408288).

2^2398551 is an apocalyptic number.

2398551 is the 980-th centered pentagonal number.

2398551 is a deficient number, since it is larger than the sum of its proper divisors (867753).

2398551 is a wasteful number, since it uses less digits than its factorization.

2398551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17061.

The product of its digits is 10800, while the sum is 33.

The square root of 2398551 is about 1548.7256051348. The cubic root of 2398551 is about 133.8596399158.

The spelling of 2398551 in words is "two million, three hundred ninety-eight thousand, five hundred fifty-one".