1992401067 has 8 divisors (see below), whose sum is σ = 2670020496. Its totient is φ = 1321524512.

The previous prime is 1992401063. The next prime is 1992401083. The reversal of 1992401067 is 7601042991.

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

It is a cyclic number.

It is not a de Polignac number, because 1992401067 - 2² = 1992401063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1992401063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685028 + ... + 1686209.

It is an arithmetic number, because the mean of its divisors is an integer number (333752562).

Almost surely, 2^1992401067 is an apocalyptic number.

1992401067 is a deficient number, since it is larger than the sum of its proper divisors (677619429).

1992401067 is a wasteful number, since it uses less digits than its factorization.

1992401067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371437.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1992401067 is about 44636.3200432114. The cubic root of 1992401067 is about 1258.3233487719.

The spelling of 1992401067 in words is "one billion, nine hundred ninety-two million, four hundred one thousand, sixty-seven".