961593 has 8 divisors (see below), whose sum is σ = 1316928. Its totient is φ = 623664.

The previous prime is 961567. The next prime is 961601. The reversal of 961593 is 395169.

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

It is not a de Polignac number, because 961593 - 2⁶ = 961529 is a prime.

It is a super-2 number, since 2×961593² = 1849322195298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221 + ... + 4442.

It is an arithmetic number, because the mean of its divisors is an integer number (164616).

2⁹⁶¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

961593 is a deficient number, since it is larger than the sum of its proper divisors (355335).

961593 is a wasteful number, since it uses less digits than its factorization.

961593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703.

The product of its digits is 7290, while the sum is 33.

The square root of 961593 is about 980.6084845646. The cubic root of 961593 is about 98.7030177619.

The spelling of 961593 in words is "nine hundred sixty-one thousand, five hundred ninety-three".