3854842 has 4 divisors (see below), whose sum is σ = 5782266. Its totient is φ = 1927420.

The previous prime is 3854827. The next prime is 3854843. The reversal of 3854842 is 2484583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2484583 = 43 ⋅57781.

It can be written as a sum of positive squares in only one way, i.e., 3837681 + 17161 = 1959^2 + 131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3854798 and 3854807.

It is not an unprimeable number, because it can be changed into a prime (3854843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963709 + ... + 963712.

Almost surely, 2^3854842 is an apocalyptic number.

3854842 is a deficient number, since it is larger than the sum of its proper divisors (1927424).

3854842 is a wasteful number, since it uses less digits than its factorization.

3854842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927423.

The product of its digits is 30720, while the sum is 34.

The square root of 3854842 is about 1963.3751551856. The cubic root of 3854842 is about 156.7961978896.

The spelling of 3854842 in words is "three million, eight hundred fifty-four thousand, eight hundred forty-two".