1236984 has 64 divisors (see below), whose sum is σ = 3648000. Its totient is φ = 342144.

The previous prime is 1236979. The next prime is 1237001. The reversal of 1236984 is 4896321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6117 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (57000).

2^1236984 is an apocalyptic number.

1236984 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 1236984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1824000).

1236984 is an abundant number, since it is smaller than the sum of its proper divisors (2411016).

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

1236984 is a wasteful number, since it uses less digits than its factorization.

1236984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1236984 is about 1112.1978241302. The cubic root of 1236984 is about 107.3465342182.

The spelling of 1236984 in words is "one million, two hundred thirty-six thousand, nine hundred eighty-four".