401023706 has 8 divisors (see below), whose sum is σ = 616207284. Its totient is φ = 195621280.

The previous prime is 401023673. The next prime is 401023717. The reversal of 401023706 is 607320104.

It can be written as a sum of positive squares in 2 ways, for example, as 278589481 + 122434225 = 16691^2 + 11065^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445185 + ... + 2445348.

Almost surely, 2^401023706 is an apocalyptic number.

401023706 is a deficient number, since it is larger than the sum of its proper divisors (215183578).

401023706 is a wasteful number, since it uses less digits than its factorization.

401023706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890576.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 401023706 is about 20025.5762963267. The cubic root of 401023706 is about 737.4343251295.

The spelling of 401023706 in words is "four hundred one million, twenty-three thousand, seven hundred six".