1402844 has 6 divisors (see below), whose sum is σ = 2454984. Its totient is φ = 701420.

The previous prime is 1402829. The next prime is 1402847. The reversal of 1402844 is 4482041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175352 + ... + 175359.

It is an arithmetic number, because the mean of its divisors is an integer number (409164).

2^1402844 is an apocalyptic number.

It is an amenable number.

1402844 is a deficient number, since it is larger than the sum of its proper divisors (1052140).

1402844 is a wasteful number, since it uses less digits than its factorization.

1402844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350715 (or 350713 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1402844 is about 1184.4171562418. The cubic root of 1402844 is about 111.9445941942.

Adding to 1402844 its reverse (4482041), we get a palindrome (5884885).

The spelling of 1402844 in words is "one million, four hundred two thousand, eight hundred forty-four".