401992063 has 16 divisors (see below), whose sum is σ = 464595840. Its totient is φ = 343980000.

The previous prime is 401992061. The next prime is 401992117. The reversal of 401992063 is 360299104.

It is a cyclic number.

It is not a de Polignac number, because 401992063 - 2¹ = 401992061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401992061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26688 + ... + 38938.

It is an arithmetic number, because the mean of its divisors is an integer number (29037240).

Almost surely, 2^401992063 is an apocalyptic number.

401992063 is a deficient number, since it is larger than the sum of its proper divisors (62603777).

401992063 is a wasteful number, since it uses less digits than its factorization.

401992063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 401992063 is about 20049.7397239964. The cubic root of 401992063 is about 738.0274119953.

The spelling of 401992063 in words is "four hundred one million, nine hundred ninety-two thousand, sixty-three".