2498729 has 4 divisors (see below), whose sum is σ = 2502084. Its totient is φ = 2495376.

The previous prime is 2498723. The next prime is 2498731. The reversal of 2498729 is 9278942.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 1567504 = 965^2 + 1252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2498729 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 4⁹ + 9² + 8⁷ + 7 + 2¹⁷ + 9² .

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2498723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (625521).

2^2498729 is an apocalyptic number.

It is an amenable number.

2498729 is a deficient number, since it is larger than the sum of its proper divisors (3355).

2498729 is a wasteful number, since it uses less digits than its factorization.

2498729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354.

The product of its digits is 72576, while the sum is 41.

The square root of 2498729 is about 1580.7368534959. The cubic root of 2498729 is about 135.6978767656.

The spelling of 2498729 in words is "two million, four hundred ninety-eight thousand, seven hundred twenty-nine".