401078206 has 8 divisors (see below), whose sum is σ = 609858864. Its totient is φ = 197791920.

The previous prime is 401078203. The next prime is 401078221. The reversal of 401078206 is 602870104.

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 (401078203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373410 + ... + 1373701.

It is an arithmetic number, because the mean of its divisors is an integer number (76232358).

Almost surely, 2^401078206 is an apocalyptic number.

401078206 is a deficient number, since it is larger than the sum of its proper divisors (208780658).

401078206 is a wasteful number, since it uses less digits than its factorization.

401078206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747186.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 401078206 is about 20026.9370099374. The cubic root of 401078206 is about 737.4677299296.

It can be divided in two parts, 40 and 1078206, that added together give a triangular number (1078246 = T₁₄₆₈).

The spelling of 401078206 in words is "four hundred one million, seventy-eight thousand, two hundred six".