2813402 has 4 divisors (see below), whose sum is σ = 4220106. Its totient is φ = 1406700.

The previous prime is 2813401. The next prime is 2813411. The reversal of 2813402 is 2043182.

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., 2627641 + 185761 = 1621^2 + 431^2 .

It is not an unprimeable number, because it can be changed into a prime (2813401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703349 + ... + 703352.

2^2813402 is an apocalyptic number.

2813402 is a deficient number, since it is larger than the sum of its proper divisors (1406704).

2813402 is a wasteful number, since it uses less digits than its factorization.

2813402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406703.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2813402 is about 1677.3198860086. The cubic root of 2813402 is about 141.1704927548.

Adding to 2813402 its reverse (2043182), we get a palindrome (4856584).

The spelling of 2813402 in words is "two million, eight hundred thirteen thousand, four hundred two".