1401706 has 8 divisors (see below), whose sum is σ = 2213280. Its totient is φ = 663948.

The previous prime is 1401703. The next prime is 1401713. The reversal of 1401706 is 6071041.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1401703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18406 + ... + 18481.

It is an arithmetic number, because the mean of its divisors is an integer number (276660).

2^1401706 is an apocalyptic number.

1401706 is a deficient number, since it is larger than the sum of its proper divisors (811574).

1401706 is a wasteful number, since it uses less digits than its factorization.

1401706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36908.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1401706 is about 1183.9366537108. The cubic root of 1401706 is about 111.9143158427.

Adding to 1401706 its reverse (6071041), we get a palindrome (7472747).

The spelling of 1401706 in words is "one million, four hundred one thousand, seven hundred six".