1406380 has 24 divisors (see below), whose sum is σ = 3109680. Its totient is φ = 532800.

The previous prime is 1406357. The next prime is 1406387. The reversal of 1406380 is 836041.

It is not an unprimeable number, because it can be changed into a prime (1406387) 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, 1471 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (129570).

2^1406380 is an apocalyptic number.

1406380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406380 is an abundant number, since it is smaller than the sum of its proper divisors (1703300).

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

1406380 is a wasteful number, since it uses less digits than its factorization.

1406380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1406380 is about 1185.9089341092. The cubic root of 1406380 is about 112.0385708990.

The spelling of 1406380 in words is "one million, four hundred six thousand, three hundred eighty".