1400306 has 8 divisors (see below), whose sum is σ = 2136240. Its totient is φ = 688228.

The previous prime is 1400303. The next prime is 1400327. The reversal of 1400306 is 6030041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1400303) 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, 5816 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (267030).

2^1400306 is an apocalyptic number.

1400306 is a deficient number, since it is larger than the sum of its proper divisors (735934).

1400306 is a wasteful number, since it uses less digits than its factorization.

1400306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1400306 is about 1183.3452581559. The cubic root of 1400306 is about 111.8770440624.

Adding to 1400306 its reverse (6030041), we get a palindrome (7430347).

The spelling of 1400306 in words is "one million, four hundred thousand, three hundred six".