1401626 has 8 divisors (see below), whose sum is σ = 2153844. Its totient is φ = 683680.

The previous prime is 1401623. The next prime is 1401629. The reversal of 1401626 is 6261041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1401623) and next prime (1401629).

It can be written as a sum of positive squares in 2 ways, for example, as 1311025 + 90601 = 1145^2 + 301^2 .

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

1401626 is a modest number, since divided by 1626 gives 14 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1401598 and 1401607.

It is not an unprimeable number, because it can be changed into a prime (1401623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8465 + ... + 8628.

2^1401626 is an apocalyptic number.

1401626 is a deficient number, since it is larger than the sum of its proper divisors (752218).

1401626 is a wasteful number, since it uses less digits than its factorization.

1401626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1401626 is about 1183.9028676374. The cubic root of 1401626 is about 111.9121866954.

Adding to 1401626 its reverse (6261041), we get a palindrome (7662667).

The spelling of 1401626 in words is "one million, four hundred one thousand, six hundred twenty-six".