401143706 has 4 divisors (see below), whose sum is σ = 601715562. Its totient is φ = 200571852.

The previous prime is 401143609. The next prime is 401143723. The reversal of 401143706 is 607341104.

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

It can be written as a sum of positive squares in only one way, i.e., 390418081 + 10725625 = 19759^2 + 3275^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100285925 + ... + 100285928.

Almost surely, 2^401143706 is an apocalyptic number.

401143706 is a deficient number, since it is larger than the sum of its proper divisors (200571856).

401143706 is a wasteful number, since it uses less digits than its factorization.

401143706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200571855.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 401143706 is about 20028.5722406766. The cubic root of 401143706 is about 737.5078729792.

The spelling of 401143706 in words is "four hundred one million, one hundred forty-three thousand, seven hundred six".