2398545 has 32 divisors (see below), whose sum is σ = 4329600. Its totient is φ = 1259712.

The previous prime is 2398537. The next prime is 2398549. The reversal of 2398545 is 5458932.

2398545 is a `hidden beast` number, since 23 + 98 + 545 = 666.

It is not a de Polignac number, because 2398545 - 2³ = 2398537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2398549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14634 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (135300).

2^2398545 is an apocalyptic number.

It is an amenable number.

2398545 is a deficient number, since it is larger than the sum of its proper divisors (1931055).

2398545 is a wasteful number, since it uses less digits than its factorization.

2398545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 280 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 2398545 is about 1548.7236680570. The cubic root of 2398545 is about 133.8595282986.

The spelling of 2398545 in words is "two million, three hundred ninety-eight thousand, five hundred forty-five".