1992385401 has 8 divisors (see below), whose sum is σ = 2656867584. Its totient is φ = 1328080080.

The previous prime is 1992385399. The next prime is 1992385403. The reversal of 1992385401 is 1045832991.

It is an interprime number because it is at equal distance from previous prime (1992385399) and next prime (1992385403).

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

It is not a de Polignac number, because 1992385401 - 2¹ = 1992385399 is a prime.

It is a super-2 number, since 2×1992385401² = 7939199172235861602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1992385403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15210 + ... + 64931.

It is an arithmetic number, because the mean of its divisors is an integer number (332108448).

Almost surely, 2^1992385401 is an apocalyptic number.

It is an amenable number.

1992385401 is a deficient number, since it is larger than the sum of its proper divisors (664482183).

1992385401 is an equidigital number, since it uses as much as digits as its factorization.

1992385401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88431.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1992385401 is about 44636.1445579701. The cubic root of 1992385401 is about 1258.3200507503.

The spelling of 1992385401 in words is "one billion, nine hundred ninety-two million, three hundred eighty-five thousand, four hundred one".