1303684404 has 48 divisors (see below), whose sum is σ = 3337709760. Its totient is φ = 392765440.

The previous prime is 1303684391. The next prime is 1303684409. The reversal of 1303684404 is 4044863031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303684409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5709 + ... + 51380.

It is an arithmetic number, because the mean of its divisors is an integer number (69535620).

Almost surely, 2^1303684404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303684404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668854880).

1303684404 is an abundant number, since it is smaller than the sum of its proper divisors (2034025356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303684404 is a wasteful number, since it uses less digits than its factorization.

1303684404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57280 (or 57278 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1303684404 is about 36106.5700946517. The cubic root of 1303684404 is about 1092.4229700955.

The spelling of 1303684404 in words is "one billion, three hundred three million, six hundred eighty-four thousand, four hundred four".