1087408 has 60 divisors (see below), whose sum is σ = 2615160. Its totient is φ = 435456.

The previous prime is 1087391. The next prime is 1087409. The reversal of 1087408 is 8047801.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087409) 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, 14860 + ... + 14932.

It is an arithmetic number, because the mean of its divisors is an integer number (43586).

2^1087408 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 1087408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307580).

1087408 is an abundant number, since it is smaller than the sum of its proper divisors (1527752).

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

1087408 is a wasteful number, since it uses less digits than its factorization.

1087408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1087408 is about 1042.7885691740. The cubic root of 1087408 is about 102.8326058461.

The spelling of 1087408 in words is "one million, eighty-seven thousand, four hundred eight".