1406648 has 16 divisors (see below), whose sum is σ = 2792880. Its totient is φ = 661888.

The previous prime is 1406633. The next prime is 1406651. The reversal of 1406648 is 8466041.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1406648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5036 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (174555).

2^1406648 is an apocalyptic number.

It is an amenable number.

1406648 is a deficient number, since it is larger than the sum of its proper divisors (1386232).

1406648 is a wasteful number, since it uses less digits than its factorization.

1406648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366 (or 10362 counting only the distinct ones).

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

The square root of 1406648 is about 1186.0219222257. The cubic root of 1406648 is about 112.0456871430.

The spelling of 1406648 in words is "one million, four hundred six thousand, six hundred forty-eight".