980404441 has 4 divisors (see below), whose sum is σ = 998902692. Its totient is φ = 961906192.

The previous prime is 980404409. The next prime is 980404459. The reversal of 980404441 is 144404089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144404089 = 1297 ⋅111337.

It can be written as a sum of positive squares in 2 ways, for example, as 845937225 + 134467216 = 29085^2 + 11596^2 .

It is a cyclic number.

It is not a de Polignac number, because 980404441 - 2⁵ = 980404409 is a prime.

It is a super-2 number, since 2×980404441² = 1922385735865044962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 980404397 and 980404406.

It is not an unprimeable number, because it can be changed into a prime (980402441) 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, 9249046 + ... + 9249151.

It is an arithmetic number, because the mean of its divisors is an integer number (249725673).

Almost surely, 2^980404441 is an apocalyptic number.

It is an amenable number.

980404441 is a deficient number, since it is larger than the sum of its proper divisors (18498251).

980404441 is a wasteful number, since it uses less digits than its factorization.

980404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18498250.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 980404441 is about 31311.4107155842. The cubic root of 980404441 is about 993.4250112698.

The spelling of 980404441 in words is "nine hundred eighty million, four hundred four thousand, four hundred forty-one".