980491705 has 8 divisors (see below), whose sum is σ = 1180749312. Its totient is φ = 781620528.

The previous prime is 980491693. The next prime is 980491709. The reversal of 980491705 is 507194089.

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

It is a cyclic number.

It is not a de Polignac number, because 980491705 - 2¹⁵ = 980458937 is a prime.

It is a super-2 number, since 2×980491705² = 1922727967147614050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980491709) 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, 345049 + ... + 347878.

It is an arithmetic number, because the mean of its divisors is an integer number (147593664).

Almost surely, 2^980491705 is an apocalyptic number.

It is an amenable number.

980491705 is a deficient number, since it is larger than the sum of its proper divisors (200257607).

980491705 is a wasteful number, since it uses less digits than its factorization.

980491705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693215.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 980491705 is about 31312.8041701793. The cubic root of 980491705 is about 993.4544847077.

The spelling of 980491705 in words is "nine hundred eighty million, four hundred ninety-one thousand, seven hundred five".