980685629 has 16 divisors (see below), whose sum is σ = 1255721856. Its totient is φ = 743515200.

The previous prime is 980685599. The next prime is 980685743. The reversal of 980685629 is 926586089.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 980685629 - 2¹⁶ = 980620093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980685029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169262 + ... + 174959.

It is an arithmetic number, because the mean of its divisors is an integer number (78482616).

Almost surely, 2^980685629 is an apocalyptic number.

It is an amenable number.

980685629 is a deficient number, since it is larger than the sum of its proper divisors (275036227).

980685629 is a wasteful number, since it uses less digits than its factorization.

980685629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344276.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 980685629 is about 31315.9005778215. The cubic root of 980685629 is about 993.5199763268.

The spelling of 980685629 in words is "nine hundred eighty million, six hundred eighty-five thousand, six hundred twenty-nine".