1400814 has 20 divisors (see below), whose sum is σ = 3139224. Its totient is φ = 466884.

The previous prime is 1400809. The next prime is 1400821. The reversal of 1400814 is 4180041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4162 + ... + 4485.

2^1400814 is an apocalyptic number.

1400814 is an abundant number, since it is smaller than the sum of its proper divisors (1738410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400814 is an equidigital number, since it uses as much as digits as its factorization.

1400814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661 (or 8652 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1400814 is about 1183.5598844165. The cubic root of 1400814 is about 111.8905712646.

Adding to 1400814 its reverse (4180041), we get a palindrome (5580855).

The spelling of 1400814 in words is "one million, four hundred thousand, eight hundred fourteen".