401893682 has 8 divisors (see below), whose sum is σ = 608371500. Its totient is φ = 199103184.

The previous prime is 401893649. The next prime is 401893693. The reversal of 401893682 is 286398104.

It can be written as a sum of positive squares in 2 ways, for example, as 381381841 + 20511841 = 19529^2 + 4529^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921557 + ... + 921992.

Almost surely, 2^401893682 is an apocalyptic number.

401893682 is a deficient number, since it is larger than the sum of its proper divisors (206477818).

401893682 is a wasteful number, since it uses less digits than its factorization.

401893682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843660.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 401893682 is about 20047.2861504993. The cubic root of 401893682 is about 737.9672003597.

The spelling of 401893682 in words is "four hundred one million, eight hundred ninety-three thousand, six hundred eighty-two".