1406486 has 4 divisors (see below), whose sum is σ = 2109732. Its totient is φ = 703242.

The previous prime is 1406479. The next prime is 1406497. The reversal of 1406486 is 6846041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6846041 = 419 ⋅16339.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351620 + ... + 351623.

It is an arithmetic number, because the mean of its divisors is an integer number (527433).

2^1406486 is an apocalyptic number.

1406486 is a deficient number, since it is larger than the sum of its proper divisors (703246).

1406486 is an equidigital number, since it uses as much as digits as its factorization.

1406486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703245.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1406486 is about 1185.9536247257. The cubic root of 1406486 is about 112.0413856409.

The spelling of 1406486 in words is "one million, four hundred six thousand, four hundred eighty-six".