3081802 has 4 divisors (see below), whose sum is σ = 4622706. Its totient is φ = 1540900.

The previous prime is 3081797. The next prime is 3081809. The reversal of 3081802 is 2081803.

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., 3059001 + 22801 = 1749^2 + 151^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3081809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770449 + ... + 770452.

Almost surely, 2^3081802 is an apocalyptic number.

3081802 is a deficient number, since it is larger than the sum of its proper divisors (1540904).

3081802 is a wasteful number, since it uses less digits than its factorization.

3081802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540903.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 3081802 is about 1755.5061948054. The cubic root of 3081802 is about 145.5240962599.

Subtracting from 3081802 its reverse (2081803), we obtain a palindrome (999999).

It can be divided in two parts, 3081 and 802, that added together give a palindrome (3883).

The spelling of 3081802 in words is "three million, eighty-one thousand, eight hundred two".