986987351 has 12 divisors (see below), whose sum is σ = 1148690448. Its totient is φ = 845574912.

The previous prime is 986987347. The next prime is 986987371. The reversal of 986987351 is 153789689.

It is not a de Polignac number, because 986987351 - 2² = 986987347 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 (986987311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137975 + ... + 144951.

It is an arithmetic number, because the mean of its divisors is an integer number (95724204).

Almost surely, 2^986987351 is an apocalyptic number.

986987351 is a deficient number, since it is larger than the sum of its proper divisors (161703097).

986987351 is a wasteful number, since it uses less digits than its factorization.

986987351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878 (or 9871 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 56.

The square root of 986987351 is about 31416.3548331120. The cubic root of 986987351 is about 995.6434987914.

The spelling of 986987351 in words is "nine hundred eighty-six million, nine hundred eighty-seven thousand, three hundred fifty-one".