2801606 has 4 divisors (see below), whose sum is σ = 4202412. Its totient is φ = 1400802.

The previous prime is 2801599. The next prime is 2801611. The reversal of 2801606 is 6061082.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700400 + ... + 700403.

It is an arithmetic number, because the mean of its divisors is an integer number (1050603).

2^2801606 is an apocalyptic number.

2801606 is a deficient number, since it is larger than the sum of its proper divisors (1400806).

2801606 is a wasteful number, since it uses less digits than its factorization.

2801606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400805.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2801606 is about 1673.7998685625. The cubic root of 2801606 is about 140.9729170188.

Adding to 2801606 its reverse (6061082), we get a palindrome (8862688).

The spelling of 2801606 in words is "two million, eight hundred one thousand, six hundred six".