2499428 has 12 divisors (see below), whose sum is σ = 4406892. Its totient is φ = 1240320.

The previous prime is 2499421. The next prime is 2499439. The reversal of 2499428 is 8249942.

It can be written as a sum of positive squares in 2 ways, for example, as 1149184 + 1350244 = 1072^2 + 1162^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2499391 and 2499400.

It is not an unprimeable number, because it can be changed into a prime (2499421) 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, 1733 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (367241).

2^2499428 is an apocalyptic number.

It is an amenable number.

2499428 is a deficient number, since it is larger than the sum of its proper divisors (1907464).

2499428 is a wasteful number, since it uses less digits than its factorization.

2499428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702 (or 4700 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 2499428 is about 1580.9579374544. The cubic root of 2499428 is about 135.7105290610.

The spelling of 2499428 in words is "two million, four hundred ninety-nine thousand, four hundred twenty-eight".