4201858 has 4 divisors (see below), whose sum is σ = 6302790. Its totient is φ = 2100928.

The previous prime is 4201853. The next prime is 4201861. The reversal of 4201858 is 8581024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2289169 + 1912689 = 1513^2 + 1383^2 .

It is a super-2 number, since 2×4201858² = 35311221304328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4201853) by changing a digit.

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 as a sum of consecutive naturals, namely, 1050463 + ... + 1050466.

Almost surely, 2^4201858 is an apocalyptic number.

4201858 is a deficient number, since it is larger than the sum of its proper divisors (2100932).

4201858 is a wasteful number, since it uses less digits than its factorization.

4201858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100931.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 4201858 is about 2049.8434086535. The cubic root of 4201858 is about 161.3666527650.

It can be divided in two parts, 420 and 1858, that added together give a triangular number (2278 = T₆₇).

The spelling of 4201858 in words is "four million, two hundred one thousand, eight hundred fifty-eight".