1361304 has 96 divisors (see below), whose sum is σ = 4386720. Its totient is φ = 373248.

The previous prime is 1361299. The next prime is 1361317. The reversal of 1361304 is 4031631.

1361304 = T₁₉₇ + T₁₉₈ + ... + T₂₅₀.

1361304 is a `hidden beast` number, since 1 + 361 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18612 + ... + 18684.

It is an arithmetic number, because the mean of its divisors is an integer number (45695).

2^1361304 is an apocalyptic number.

1361304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193360).

1361304 is an abundant number, since it is smaller than the sum of its proper divisors (3025416).

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

1361304 is a wasteful number, since it uses less digits than its factorization.

1361304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1361304 is about 1166.7493304048. The cubic root of 1361304 is about 110.8285641882.

Adding to 1361304 its reverse (4031631), we get a palindrome (5392935).

The spelling of 1361304 in words is "one million, three hundred sixty-one thousand, three hundred four".