980429994 has 80 divisors (see below), whose sum is σ = 2281568256. Its totient is φ = 314344800.

The previous prime is 980429929. The next prime is 980430013. The reversal of 980429994 is 499924089.

It is a super-2 number, since 2×980429994² = 1922485946269680072, which contains 22 as substring.

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 Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 980429994.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 988839 + ... + 989829.

Almost surely, 2^980429994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980429994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140784128).

980429994 is an abundant number, since it is smaller than the sum of its proper divisors (1301138262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

980429994 is a wasteful number, since it uses less digits than its factorization.

980429994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1224 counting only the distinct ones).

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

The square root of 980429994 is about 31311.8187590565. The cubic root of 980429994 is about 993.4336419831.

The spelling of 980429994 in words is "nine hundred eighty million, four hundred twenty-nine thousand, nine hundred ninety-four".