2489542 has 8 divisors (see below), whose sum is σ = 4073832. Its totient is φ = 1131600.

The previous prime is 2489533. The next prime is 2489567. The reversal of 2489542 is 2459842.

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

It is a d-powerful number, because it can be written as 2²⁰ + 4 + 8 + 9³ + 5⁸ + 4⁵ + 2²⁰ .

It is a junction number, because it is equal to n+sod(n) for n = 2489498 and 2489507.

It is a congruent number.

It is an unprimeable number.

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, 56559 + ... + 56602.

It is an arithmetic number, because the mean of its divisors is an integer number (509229).

2^2489542 is an apocalyptic number.

2489542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2489542 is a deficient number, since it is larger than the sum of its proper divisors (1584290).

2489542 is a wasteful number, since it uses less digits than its factorization.

2489542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113174.

The product of its digits is 23040, while the sum is 34.

The square root of 2489542 is about 1577.8282542786. The cubic root of 2489542 is about 135.5313671294.

The spelling of 2489542 in words is "two million, four hundred eighty-nine thousand, five hundred forty-two".