1057598398 has 8 divisors (see below), whose sum is σ = 1590970392. Its totient is φ = 527274936.

The previous prime is 1057598383. The next prime is 1057598429. The reversal of 1057598398 is 8938957501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1057598398² = 2237028742904332808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761265 + ... + 762652.

It is an arithmetic number, because the mean of its divisors is an integer number (198871299).

Almost surely, 2^1057598398 is an apocalyptic number.

1057598398 is a deficient number, since it is larger than the sum of its proper divisors (533371994).

1057598398 is a wasteful number, since it uses less digits than its factorization.

1057598398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524266.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The square root of 1057598398 is about 32520.7379682565. The cubic root of 1057598398 is about 1018.8422073791.

The spelling of 1057598398 in words is "one billion, fifty-seven million, five hundred ninety-eight thousand, three hundred ninety-eight".