3818858 has 4 divisors (see below), whose sum is σ = 5728290. Its totient is φ = 1909428.

The previous prime is 3818839. The next prime is 3818869. The reversal of 3818858 is 8588183.

It is a happy number.

3818858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8588183 = 523 ⋅16421.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 82369 = 1933^2 + 287^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954713 + ... + 954716.

Almost surely, 2^3818858 is an apocalyptic number.

3818858 is a deficient number, since it is larger than the sum of its proper divisors (1909432).

3818858 is a wasteful number, since it uses less digits than its factorization.

3818858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909431.

The product of its digits is 61440, while the sum is 41.

The square root of 3818858 is about 1954.1898577160. The cubic root of 3818858 is about 156.3067872522.

The spelling of 3818858 in words is "three million, eight hundred eighteen thousand, eight hundred fifty-eight".