1009598 has 4 divisors (see below), whose sum is σ = 1514400. Its totient is φ = 504798.

The previous prime is 1009573. The next prime is 1009601. The reversal of 1009598 is 8959001.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252398 + ... + 252401.

It is an arithmetic number, because the mean of its divisors is an integer number (378600).

2^1009598 is an apocalyptic number.

1009598 is a deficient number, since it is larger than the sum of its proper divisors (504802).

1009598 is an equidigital number, since it uses as much as digits as its factorization.

1009598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504801.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1009598 is about 1004.7875397317. The cubic root of 1009598 is about 100.3189151832.

The spelling of 1009598 in words is "one million, nine thousand, five hundred ninety-eight".