2831402 has 8 divisors (see below), whose sum is σ = 4853856. Its totient is φ = 1213452.

The previous prime is 2831393. The next prime is 2831407. The reversal of 2831402 is 2041382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2831407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101108 + ... + 101135.

It is an arithmetic number, because the mean of its divisors is an integer number (606732).

2^2831402 is an apocalyptic number.

2831402 is a deficient number, since it is larger than the sum of its proper divisors (2022454).

2831402 is a wasteful number, since it uses less digits than its factorization.

2831402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202252.

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

The square root of 2831402 is about 1682.6770337768. The cubic root of 2831402 is about 141.4709201189.

Subtracting from 2831402 its sum of digits (20), we obtain a palindrome (2831382).

Adding to 2831402 its reverse (2041382), we get a palindrome (4872784).

The spelling of 2831402 in words is "two million, eight hundred thirty-one thousand, four hundred two".