1401814 has 4 divisors (see below), whose sum is σ = 2102724. Its totient is φ = 700906.

The previous prime is 1401811. The next prime is 1401817. The reversal of 1401814 is 4181041.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1401811) and next prime (1401817).

It is a junction number, because it is equal to n+sod(n) for n = 1401791 and 1401800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350452 + ... + 350455.

It is an arithmetic number, because the mean of its divisors is an integer number (525681).

2^1401814 is an apocalyptic number.

1401814 is a deficient number, since it is larger than the sum of its proper divisors (700910).

1401814 is an equidigital number, since it uses as much as digits as its factorization.

1401814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700909.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1401814 is about 1183.9822633807. The cubic root of 1401814 is about 111.9171900630.

Adding to 1401814 its reverse (4181041), we get a palindrome (5582855).

It can be divided in two parts, 140181 and 4, that added together give a triangular number (140185 = T₅₂₉).

The spelling of 1401814 in words is "one million, four hundred one thousand, eight hundred fourteen".