2642402 has 16 divisors (see below), whose sum is σ = 4560192. Its totient is φ = 1124880.

The previous prime is 2642389. The next prime is 2642449. The reversal of 2642402 is 2042462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (285012).

2^2642402 is an apocalyptic number.

2642402 is a deficient number, since it is larger than the sum of its proper divisors (1917790).

2642402 is a wasteful number, since it uses less digits than its factorization.

2642402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2642402 is about 1625.5466772751. The cubic root of 2642402 is about 138.2503681482.

Adding to 2642402 its reverse (2042462), we get a palindrome (4684864).

The spelling of 2642402 in words is "two million, six hundred forty-two thousand, four hundred two".