401892193 has 4 divisors (see below), whose sum is σ = 402052288. Its totient is φ = 401732100.

The previous prime is 401892191. The next prime is 401892251. The reversal of 401892193 is 391298104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401892193 - 2¹ = 401892191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401892191) 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, 76221 + ... + 81322.

It is an arithmetic number, because the mean of its divisors is an integer number (100513072).

Almost surely, 2^401892193 is an apocalyptic number.

It is an amenable number.

401892193 is a deficient number, since it is larger than the sum of its proper divisors (160095).

401892193 is a wasteful number, since it uses less digits than its factorization.

401892193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160094.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 401892193 is about 20047.2490132686. The cubic root of 401892193 is about 737.9662889790.

The spelling of 401892193 in words is "four hundred one million, eight hundred ninety-two thousand, one hundred ninety-three".