2405602 has 8 divisors (see below), whose sum is σ = 3820716. Its totient is φ = 1132032.

The previous prime is 2405591. The next prime is 2405621. The reversal of 2405602 is 2065042.

It is a Cunningham number, because it is equal to 1551²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 1 = 1551^2 + 1^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2405602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35343 + ... + 35410.

2^2405602 is an apocalyptic number.

2405602 is a deficient number, since it is larger than the sum of its proper divisors (1415114).

2405602 is a wasteful number, since it uses less digits than its factorization.

2405602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70772.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2405602 is about 1551.0003223726. Note that the first 3 decimals coincide. The cubic root of 2405602 is about 133.9906802756.

The spelling of 2405602 in words is "two million, four hundred five thousand, six hundred two".