980388 has 36 divisors (see below), whose sum is σ = 2510508. Its totient is φ = 322560.

The previous prime is 980377. The next prime is 980393. The reversal of 980388 is 883089.

It can be written as a sum of positive squares in 2 ways, for example, as 304704 + 675684 = 552^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×980388² = 1922321261088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980388.

It is an unprimeable number.

980388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948 + ... + 4188.

2⁹⁸⁰³⁸⁸ is an apocalyptic number.

It is an amenable number.

980388 is an abundant number, since it is smaller than the sum of its proper divisors (1530120).

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

980388 is a wasteful number, since it uses less digits than its factorization.

980388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 980388 is about 990.1454438617. The cubic root of 980388 is about 99.3419458122.

The spelling of 980388 in words is "nine hundred eighty thousand, three hundred eighty-eight".