1400684 has 12 divisors (see below), whose sum is σ = 2497824. Its totient is φ = 687024.

The previous prime is 1400669. The next prime is 1400687. The reversal of 1400684 is 4860041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400687) 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 3 ways as a sum of consecutive naturals, for example, 3092 + ... + 3515.

It is an arithmetic number, because the mean of its divisors is an integer number (208152).

2^1400684 is an apocalyptic number.

It is an amenable number.

1400684 is a deficient number, since it is larger than the sum of its proper divisors (1097140).

1400684 is a wasteful number, since it uses less digits than its factorization.

1400684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6662 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1400684 is about 1183.5049640792. The cubic root of 1400684 is about 111.8871098904.

The spelling of 1400684 in words is "one million, four hundred thousand, six hundred eighty-four".