980900388 has 144 divisors (see below), whose sum is σ = 2833783680. Its totient is φ = 291677760.

The previous prime is 980900353. The next prime is 980900407. The reversal of 980900388 is 883009089.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1348881 + ... + 1349607.

Almost surely, 2^980900388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980900388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416891840).

980900388 is an abundant number, since it is smaller than the sum of its proper divisors (1852883292).

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

980900388 is a wasteful number, since it uses less digits than its factorization.

980900388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 980900388 is about 31319.3293031636. The cubic root of 980900388 is about 993.5924942255.

The spelling of 980900388 in words is "nine hundred eighty million, nine hundred thousand, three hundred eighty-eight".