986929690 has 16 divisors (see below), whose sum is σ = 1782154728. Its totient is φ = 393509376.

The previous prime is 986929667. The next prime is 986929703. The reversal of 986929690 is 96929689.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 664763089 + 322166601 = 25783^2 + 17949^2 .

It is a super-2 number, since 2×986929690² = 1948060426006992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154527 + ... + 160786.

Almost surely, 2^986929690 is an apocalyptic number.

986929690 is a deficient number, since it is larger than the sum of its proper divisors (795225038).

986929690 is a wasteful number, since it uses less digits than its factorization.

986929690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315633.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The square root of 986929690 is about 31415.4371289021. The cubic root of 986929690 is about 995.6241095129.

The spelling of 986929690 in words is "nine hundred eighty-six million, nine hundred twenty-nine thousand, six hundred ninety".