1406678 has 32 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 542880.

The previous prime is 1406677. The next prime is 1406683. The reversal of 1406678 is 8766041.

It is a super-3 number, since 3×1406678³ = 8350362719048333256, which contains 333 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10673 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^1406678 is an apocalyptic number.

1406678 is a deficient number, since it is larger than the sum of its proper divisors (1254442).

1406678 is a wasteful number, since it uses less digits than its factorization.

1406678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1406678 is about 1186.0345694793. The cubic root of 1406678 is about 112.0464836813.

The spelling of 1406678 in words is "one million, four hundred six thousand, six hundred seventy-eight".