980029691 has 4 divisors (see below), whose sum is σ = 1011643584. Its totient is φ = 948415800.

The previous prime is 980029679. The next prime is 980029717. The reversal of 980029691 is 196920089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 980029691 - 2¹⁰ = 980028667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (980029621) 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, 15806900 + ... + 15806961.

It is an arithmetic number, because the mean of its divisors is an integer number (252910896).

Almost surely, 2^980029691 is an apocalyptic number.

980029691 is a deficient number, since it is larger than the sum of its proper divisors (31613893).

980029691 is a wasteful number, since it uses less digits than its factorization.

980029691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31613892.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 980029691 is about 31305.4259035075. The cubic root of 980029691 is about 993.2984194771.

The spelling of 980029691 in words is "nine hundred eighty million, twenty-nine thousand, six hundred ninety-one".