4197858 has 32 divisors (see below), whose sum is σ = 9682944. Its totient is φ = 1188432.

The previous prime is 4197857. The next prime is 4197871. The reversal of 4197858 is 8587914.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 4 + 1 + 9² + 7³ + 8⁷ + 5⁵ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (4197857) 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, 4941 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (302592).

Almost surely, 2^4197858 is an apocalyptic number.

4197858 is an abundant number, since it is smaller than the sum of its proper divisors (5485086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4197858 is a wasteful number, since it uses less digits than its factorization.

4197858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 80640, while the sum is 42.

The square root of 4197858 is about 2048.8674920551. The cubic root of 4197858 is about 161.3154316513.

The spelling of 4197858 in words is "four million, one hundred ninety-seven thousand, eight hundred fifty-eight".