1401606446 has 8 divisors (see below), whose sum is σ = 2226080880. Its totient is φ = 659579488.

The previous prime is 1401606439. The next prime is 1401606449. The reversal of 1401606446 is 6446061041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401606449) 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, 20611826 + ... + 20611893.

It is an arithmetic number, because the mean of its divisors is an integer number (278260110).

Almost surely, 2^1401606446 is an apocalyptic number.

1401606446 is a deficient number, since it is larger than the sum of its proper divisors (824474434).

1401606446 is a wasteful number, since it uses less digits than its factorization.

1401606446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223738.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1401606446 is about 37438.0347507718. The cubic root of 1401606446 is about 1119.1166626627.

Adding to 1401606446 its reverse (6446061041), we get a palindrome (7847667487).

The spelling of 1401606446 in words is "one billion, four hundred one million, six hundred six thousand, four hundred forty-six".