1408380 has 24 divisors (see below), whose sum is σ = 3943632. Its totient is φ = 375552.

The previous prime is 1408373. The next prime is 1408397. The reversal of 1408380 is 838041.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11677 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (164318).

2^1408380 is an apocalyptic number.

1408380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408380 is an abundant number, since it is smaller than the sum of its proper divisors (2535252).

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

1408380 is a wasteful number, since it uses less digits than its factorization.

1408380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23485 (or 23483 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1408380 is about 1186.7518696004. The cubic root of 1408380 is about 112.0916554153.

The spelling of 1408380 in words is "one million, four hundred eight thousand, three hundred eighty".