1406328 has 64 divisors (see below), whose sum is σ = 4389120. Its totient is φ = 364800.

The previous prime is 1406311. The next prime is 1406351. The reversal of 1406328 is 8236041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1406298 and 1406307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2^1406328 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 1406328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194560).

1406328 is an abundant number, since it is smaller than the sum of its proper divisors (2982792).

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

1406328 is a wasteful number, since it uses less digits than its factorization.

1406328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1406328 is about 1185.8870097948. The cubic root of 1406328 is about 112.0371900305.

The spelling of 1406328 in words is "one million, four hundred six thousand, three hundred twenty-eight".