1404028 has 12 divisors (see below), whose sum is σ = 2487240. Its totient is φ = 693392.

The previous prime is 1403981. The next prime is 1404059. The reversal of 1404028 is 8204041.

It is a junction number, because it is equal to n+sod(n) for n = 1403996 and 1404014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1783 + ... + 2446.

It is an arithmetic number, because the mean of its divisors is an integer number (207270).

2^1404028 is an apocalyptic number.

It is an amenable number.

1404028 is a deficient number, since it is larger than the sum of its proper divisors (1083212).

1404028 is a wasteful number, since it uses less digits than its factorization.

1404028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1404028 is about 1184.9168747216. The cubic root of 1404028 is about 111.9760790750.

Adding to 1404028 its reverse (8204041), we get a palindrome (9608069).

The spelling of 1404028 in words is "one million, four hundred four thousand, twenty-eight".