1986274097 has 8 divisors (see below), whose sum is σ = 2034080256. Its totient is φ = 1938699072.

The previous prime is 1986274091. The next prime is 1986274127. The reversal of 1986274097 is 7904726891.

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 1986274097 - 2⁸ = 1986273841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1986274091) 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, 40328 + ... + 74825.

It is an arithmetic number, because the mean of its divisors is an integer number (254260032).

Almost surely, 2^1986274097 is an apocalyptic number.

It is an amenable number.

1986274097 is a deficient number, since it is larger than the sum of its proper divisors (47806159).

1986274097 is a wasteful number, since it uses less digits than its factorization.

1986274097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115567.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 1986274097 is about 44567.6350842178. The cubic root of 1986274097 is about 1257.0321720185.

The spelling of 1986274097 in words is "one billion, nine hundred eighty-six million, two hundred seventy-four thousand, ninety-seven".