401897714 has 8 divisors (see below), whose sum is σ = 638308188. Its totient is φ = 189128320.

The previous prime is 401897711. The next prime is 401897729. The reversal of 401897714 is 417798104.

It can be written as a sum of positive squares in 2 ways, for example, as 385454689 + 16443025 = 19633^2 + 4055^2 .

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

It is not an unprimeable number, because it can be changed into a prime (401897711) 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, 5910227 + ... + 5910294.

Almost surely, 2^401897714 is an apocalyptic number.

401897714 is a deficient number, since it is larger than the sum of its proper divisors (236410474).

401897714 is a wasteful number, since it uses less digits than its factorization.

401897714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820540.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 401897714 is about 20047.3867124870. The cubic root of 401897714 is about 737.9696682378.

The spelling of 401897714 in words is "four hundred one million, eight hundred ninety-seven thousand, seven hundred fourteen".