42596 has 12 divisors (see below), whose sum is σ = 77952. Its totient is φ = 20328.

The previous prime is 42589. The next prime is 42611. The reversal of 42596 is 69524.

42596 = T₄₉ + T₅₀ + ... + T₇₁.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42596.

It is an unprimeable number.

42596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140 + ... + 323.

It is an arithmetic number, because the mean of its divisors is an integer number (6496).

2⁴²⁵⁹⁶ is an apocalyptic number.

42596 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42596 is a deficient number, since it is larger than the sum of its proper divisors (35356).

42596 is a wasteful number, since it uses less digits than its factorization.

42596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 42596 is about 206.3879841464. The cubic root of 42596 is about 34.9239163605.

The spelling of 42596 in words is "forty-two thousand, five hundred ninety-six".