1408684 has 24 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 672336.

The previous prime is 1408669. The next prime is 1408697. The reversal of 1408684 is 4868041.

It is a super-2 number, since 2×1408684² = 3968781223712, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11029 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (107520).

2^1408684 is an apocalyptic number.

It is an amenable number.

1408684 is a deficient number, since it is larger than the sum of its proper divisors (1171796).

1408684 is a wasteful number, since it uses less digits than its factorization.

1408684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1408684 is about 1186.8799433810. The cubic root of 1408684 is about 112.0997198610.

The spelling of 1408684 in words is "one million, four hundred eight thousand, six hundred eighty-four".