981676684 has 6 divisors (see below), whose sum is σ = 1717934204. Its totient is φ = 490838340.

The previous prime is 981676681. The next prime is 981676687. The reversal of 981676684 is 486676189.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (981676681) and next prime (981676687).

It is a super-2 number, since 2×981676684² = 1927378223818471712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (981676681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122709582 + ... + 122709589.

Almost surely, 2^981676684 is an apocalyptic number.

It is an amenable number.

981676684 is a deficient number, since it is larger than the sum of its proper divisors (736257520).

981676684 is a wasteful number, since it uses less digits than its factorization.

981676684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245419175 (or 245419173 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 981676684 is about 31331.7200932218. The cubic root of 981676684 is about 993.8545386696.

The spelling of 981676684 in words is "nine hundred eighty-one million, six hundred seventy-six thousand, six hundred eighty-four".