980826399 has 12 divisors (see below), whose sum is σ = 1619142096. Its totient is φ = 560472192.

The previous prime is 980826397. The next prime is 980826403. The reversal of 980826399 is 993628089.

It is not a de Polignac number, because 980826399 - 2¹ = 980826397 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980826397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7784274 + ... + 7784399.

It is an arithmetic number, because the mean of its divisors is an integer number (134928508).

Almost surely, 2^980826399 is an apocalyptic number.

980826399 is a deficient number, since it is larger than the sum of its proper divisors (638315697).

980826399 is a wasteful number, since it uses less digits than its factorization.

980826399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15568686 (or 15568683 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 980826399 is about 31318.1480774327. The cubic root of 980826399 is about 993.5675114769.

The spelling of 980826399 in words is "nine hundred eighty million, eight hundred twenty-six thousand, three hundred ninety-nine".