1358880 has 96 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 340992.

The previous prime is 1358857. The next prime is 1358881. The reversal of 1358880 is 888531.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1358881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9046 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (47250).

2^1358880 is an apocalyptic number.

1358880 is a gapful number since it is divisible by the number (10) 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 1358880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268000).

1358880 is an abundant number, since it is smaller than the sum of its proper divisors (3177120).

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

1358880 is a wasteful number, since it uses less digits than its factorization.

1358880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1358880 is about 1165.7100840260. The cubic root of 1358880 is about 110.7627429723.

The spelling of 1358880 in words is "one million, three hundred fifty-eight thousand, eight hundred eighty".