1156416 has 56 divisors (see below), whose sum is σ = 3230880. Its totient is φ = 364032.

The previous prime is 1156403. The next prime is 1156423. The reversal of 1156416 is 6146511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490 + ... + 3806.

2^1156416 is an apocalyptic number.

1156416 is a gapful number since it is divisible by the number (16) 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 1156416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615440).

1156416 is an abundant number, since it is smaller than the sum of its proper divisors (2074464).

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

1156416 is a wasteful number, since it uses less digits than its factorization.

1156416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351 (or 341 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1156416 is about 1075.3678440422. The cubic root of 1156416 is about 104.9634339795.

1156416 divided by its sum of digits (24) gives a palindrome (48184).

The spelling of 1156416 in words is "one million, one hundred fifty-six thousand, four hundred sixteen".