2448729 has 12 divisors (see below), whose sum is σ = 3561636. Its totient is φ = 1621152.

The previous prime is 2448727. The next prime is 2448737. The reversal of 2448729 is 9278442.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 1550025 = 948^2 + 1245^2 .

It is not a de Polignac number, because 2448729 - 2¹ = 2448727 is a prime.

It is an Ulam number.

2448729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2448693 and 2448702.

It is not an unprimeable number, because it can be changed into a prime (2448727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547 + ... + 2279.

It is an arithmetic number, because the mean of its divisors is an integer number (296803).

2^2448729 is an apocalyptic number.

It is an amenable number.

2448729 is a deficient number, since it is larger than the sum of its proper divisors (1112907).

2448729 is a wasteful number, since it uses less digits than its factorization.

2448729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1893 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 2448729 is about 1564.8415255226. The cubic root of 2448729 is about 134.7866589185.

The spelling of 2448729 in words is "two million, four hundred forty-eight thousand, seven hundred twenty-nine".