1406456 has 24 divisors (see below), whose sum is σ = 2788920. Its totient is φ = 664848.

The previous prime is 1406453. The next prime is 1406459. The reversal of 1406456 is 6546041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1406453) and next prime (1406459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406453) 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 5 ways as a sum of consecutive naturals, for example, 2645 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (116205).

2^1406456 is an apocalyptic number.

It is an amenable number.

1406456 is a deficient number, since it is larger than the sum of its proper divisors (1382464).

1406456 is a wasteful number, since it uses less digits than its factorization.

1406456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1406456 is about 1185.9409766089. The cubic root of 1406456 is about 112.0405890302.

It can be divided in two parts, 140 and 6456, that multiplied together give a triangular number (903840 = T₁₃₄₄).

The spelling of 1406456 in words is "one million, four hundred six thousand, four hundred fifty-six".