986949290 has 8 divisors (see below), whose sum is σ = 1776508740. Its totient is φ = 394779712.

The previous prime is 986949283. The next prime is 986949361. The reversal of 986949290 is 92949689.

It can be written as a sum of positive squares in 2 ways, for example, as 973502401 + 13446889 = 31201^2 + 3667^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49347455 + ... + 49347474.

Almost surely, 2^986949290 is an apocalyptic number.

986949290 is a deficient number, since it is larger than the sum of its proper divisors (789559450).

986949290 is a wasteful number, since it uses less digits than its factorization.

986949290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98694936.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The square root of 986949290 is about 31415.7490759014. The cubic root of 986949290 is about 995.6307003584.

The spelling of 986949290 in words is "nine hundred eighty-six million, nine hundred forty-nine thousand, two hundred ninety".