1156408 has 32 divisors (see below), whose sum is σ = 2507760. Its totient is φ = 494080.

The previous prime is 1156403. The next prime is 1156423. The reversal of 1156408 is 8046511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110 + ... + 1882.

2^1156408 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 1156408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253880).

1156408 is an abundant number, since it is smaller than the sum of its proper divisors (1351352).

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

1156408 is a wasteful number, since it uses less digits than its factorization.

1156408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1156408 is about 1075.3641243783. The cubic root of 1156408 is about 104.9631919358.

The spelling of 1156408 in words is "one million, one hundred fifty-six thousand, four hundred eight".