598978441 has 4 divisors (see below), whose sum is σ = 619632900. Its totient is φ = 578323984.

The previous prime is 598978427. The next prime is 598978451. The reversal of 598978441 is 144879895.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416323216 + 182655225 = 20404^2 + 13515^2 .

It is a cyclic number.

It is not a de Polignac number, because 598978441 - 2⁵ = 598978409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598978451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10327186 + ... + 10327243.

It is an arithmetic number, because the mean of its divisors is an integer number (154908225).

Almost surely, 2^598978441 is an apocalyptic number.

It is an amenable number.

598978441 is a deficient number, since it is larger than the sum of its proper divisors (20654459).

598978441 is a wasteful number, since it uses less digits than its factorization.

598978441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20654458.

The product of its digits is 2903040, while the sum is 55.

The square root of 598978441 is about 24474.0360586479. The cubic root of 598978441 is about 842.9537176969.

The spelling of 598978441 in words is "five hundred ninety-eight million, nine hundred seventy-eight thousand, four hundred forty-one".