42598605 has 16 divisors (see below), whose sum is σ = 77894784. Its totient is φ = 19473600.

The previous prime is 42598601. The next prime is 42598607. The reversal of 42598605 is 50689524.

It is not a de Polignac number, because 42598605 - 2² = 42598601 is a prime.

It is a super-2 number, since 2×42598605² = 3629282295892050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42598601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202746 + ... + 202955.

It is an arithmetic number, because the mean of its divisors is an integer number (4868424).

Almost surely, 2^42598605 is an apocalyptic number.

It is an amenable number.

42598605 is a deficient number, since it is larger than the sum of its proper divisors (35296179).

42598605 is a wasteful number, since it uses less digits than its factorization.

42598605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405716.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 42598605 is about 6526.7606819923. The cubic root of 42598605 is about 349.2462828139.

The spelling of 42598605 in words is "forty-two million, five hundred ninety-eight thousand, six hundred five".