2402836 has 12 divisors (see below), whose sum is σ = 4216212. Its totient is φ = 1198208.

The previous prime is 2402819. The next prime is 2402837. The reversal of 2402836 is 6382042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 1904400 = 706^2 + 1380^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2402836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402837) 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, 1866 + ... + 2878.

It is an arithmetic number, because the mean of its divisors is an integer number (351351).

2^2402836 is an apocalyptic number.

It is an amenable number.

2402836 is a deficient number, since it is larger than the sum of its proper divisors (1813376).

2402836 is a wasteful number, since it uses less digits than its factorization.

2402836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2402836 is about 1550.1083833074. The cubic root of 2402836 is about 133.9393056979.

Adding to 2402836 its reverse (6382042), we get a palindrome (8784878).

The spelling of 2402836 in words is "two million, four hundred two thousand, eight hundred thirty-six".