2816402 has 4 divisors (see below), whose sum is σ = 4224606. Its totient is φ = 1408200.

The previous prime is 2816399. The next prime is 2816453. The reversal of 2816402 is 2046182.

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., 2725801 + 90601 = 1651^2 + 301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704099 + ... + 704102.

2^2816402 is an apocalyptic number.

2816402 is a deficient number, since it is larger than the sum of its proper divisors (1408204).

2816402 is a wasteful number, since it uses less digits than its factorization.

2816402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408203.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2816402 is about 1678.2139315355. The cubic root of 2816402 is about 141.2206527904.

The spelling of 2816402 in words is "two million, eight hundred sixteen thousand, four hundred two".