2405288 has 8 divisors (see below), whose sum is σ = 4509930. Its totient is φ = 1202640.

The previous prime is 2405269. The next prime is 2405297. The reversal of 2405288 is 8825042.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 88804 = 1522^2 + 298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2405288.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150323 + ... + 150338.

2^2405288 is an apocalyptic number.

It is an amenable number.

2405288 is a deficient number, since it is larger than the sum of its proper divisors (2104642).

2405288 is a wasteful number, since it uses less digits than its factorization.

2405288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300667 (or 300663 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2405288 is about 1550.8990940741. The cubic root of 2405288 is about 133.9848501473.

The spelling of 2405288 in words is "two million, four hundred five thousand, two hundred eighty-eight".