42385897 has 8 divisors (see below), whose sum is σ = 43873280. Its totient is φ = 40906080.

The previous prime is 42385877. The next prime is 42385919. The reversal of 42385897 is 79858324.

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

It is a cyclic number.

It is not a de Polignac number, because 42385897 - 2¹¹ = 42383849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42385807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11008 + ... + 14350.

It is an arithmetic number, because the mean of its divisors is an integer number (5484160).

Almost surely, 2^42385897 is an apocalyptic number.

It is an amenable number.

42385897 is a deficient number, since it is larger than the sum of its proper divisors (1487383).

42385897 is a wasteful number, since it uses less digits than its factorization.

42385897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783.

The product of its digits is 483840, while the sum is 46.

The square root of 42385897 is about 6510.4452228707. The cubic root of 42385897 is about 348.6640143785.

It can be divided in two parts, 423 and 85897, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 42385897 in words is "forty-two million, three hundred eighty-five thousand, eight hundred ninety-seven".