1016404 has 12 divisors (see below), whose sum is σ = 1796704. Its totient is φ = 503064.

The previous prime is 1016401. The next prime is 1016419. The reversal of 1016404 is 4046101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016401) 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, 822 + ... + 1645.

2^1016404 is an apocalyptic number.

It is an amenable number.

1016404 is a deficient number, since it is larger than the sum of its proper divisors (780300).

1016404 is a wasteful number, since it uses less digits than its factorization.

1016404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1016404 is about 1008.1686366873. The cubic root of 1016404 is about 100.5438370511.

The spelling of 1016404 in words is "one million, sixteen thousand, four hundred four".