986212011 has 4 divisors (see below), whose sum is σ = 1314949352. Its totient is φ = 657474672.

The previous prime is 986211977. The next prime is 986212013. The reversal of 986212011 is 110212689.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 986212011 - 2²⁵ = 952657579 is a prime.

It is a super-2 number, since 2×986212011² = 1945228261281328242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 986212011.

It is not an unprimeable number, because it can be changed into a prime (986212013) 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, 164368666 + ... + 164368671.

It is an arithmetic number, because the mean of its divisors is an integer number (328737338).

Almost surely, 2^986212011 is an apocalyptic number.

986212011 is a deficient number, since it is larger than the sum of its proper divisors (328737341).

986212011 is a wasteful number, since it uses less digits than its factorization.

986212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328737340.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 986212011 is about 31404.0126576207. The cubic root of 986212011 is about 995.3827171784.

The spelling of 986212011 in words is "nine hundred eighty-six million, two hundred twelve thousand, eleven".