1304838 has 24 divisors (see below), whose sum is σ = 2869776. Its totient is φ = 428400.

The previous prime is 1304837. The next prime is 1304857. The reversal of 1304838 is 8384031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (119574).

2^1304838 is an apocalyptic number.

1304838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1304838 is an abundant number, since it is smaller than the sum of its proper divisors (1564938).

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

1304838 is a wasteful number, since it uses less digits than its factorization.

1304838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1304838 is about 1142.2950582052. The cubic root of 1304838 is about 109.2745093875.

Adding to 1304838 its reverse (8384031), we get a palindrome (9688869).

The spelling of 1304838 in words is "one million, three hundred four thousand, eight hundred thirty-eight".