2453998 has 8 divisors (see below), whose sum is σ = 3701880. Its totient is φ = 1220040.

The previous prime is 2453923. The next prime is 2453999. The reversal of 2453998 is 8993542.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2453998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (462735).

2^2453998 is an apocalyptic number.

2453998 is a deficient number, since it is larger than the sum of its proper divisors (1247882).

2453998 is a wasteful number, since it uses less digits than its factorization.

2453998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962.

The product of its digits is 77760, while the sum is 40.

The square root of 2453998 is about 1566.5241779175. The cubic root of 2453998 is about 134.8832644276.

The spelling of 2453998 in words is "two million, four hundred fifty-three thousand, nine hundred ninety-eight".