986815434 has 16 divisors (see below), whose sum is σ = 2153052000. Its totient is φ = 299034960.

The previous prime is 986815433. The next prime is 986815441. The reversal of 986815434 is 434518689.

It is not an unprimeable number, because it can be changed into a prime (986815433) 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, 7475809 + ... + 7475940.

It is an arithmetic number, because the mean of its divisors is an integer number (134565750).

Almost surely, 2^986815434 is an apocalyptic number.

986815434 is an abundant number, since it is smaller than the sum of its proper divisors (1166236566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

986815434 is a wasteful number, since it uses less digits than its factorization.

986815434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951765.

The product of its digits is 829440, while the sum is 48.

The square root of 986815434 is about 31413.6186072219. The cubic root of 986815434 is about 995.5856871817.

The spelling of 986815434 in words is "nine hundred eighty-six million, eight hundred fifteen thousand, four hundred thirty-four".