980308646 has 8 divisors (see below), whose sum is σ = 1478162304. Its totient is φ = 487587880.

The previous prime is 980308643. The next prime is 980308649. The reversal of 980308646 is 646803089.

It is an interprime number because it is at equal distance from previous prime (980308643) and next prime (980308649).

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

It is a super-2 number, since 2×980308646² = 1922010082844706632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 980308597 and 980308606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980308643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282745 + ... + 1283508.

It is an arithmetic number, because the mean of its divisors is an integer number (184770288).

Almost surely, 2^980308646 is an apocalyptic number.

980308646 is a deficient number, since it is larger than the sum of its proper divisors (497853658).

980308646 is a wasteful number, since it uses less digits than its factorization.

980308646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566446.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 980308646 is about 31309.8809643218. The cubic root of 980308646 is about 993.3926544707.

The spelling of 980308646 in words is "nine hundred eighty million, three hundred eight thousand, six hundred forty-six".