2602442 has 4 divisors (see below), whose sum is σ = 3903666. Its totient is φ = 1301220.

The previous prime is 2602441. The next prime is 2602447. The reversal of 2602442 is 2442062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 1042441 = 1249^2 + 1021^2 .

It is not an unprimeable number, because it can be changed into a prime (2602441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650609 + ... + 650612.

2^2602442 is an apocalyptic number.

2602442 is a deficient number, since it is larger than the sum of its proper divisors (1301224).

2602442 is a wasteful number, since it uses less digits than its factorization.

2602442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301223.

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

The square root of 2602442 is about 1613.2086039939. The cubic root of 2602442 is about 137.5499234694.

The spelling of 2602442 in words is "two million, six hundred two thousand, four hundred forty-two".