3913842 has 16 divisors (see below), whose sum is σ = 8288352. Its totient is φ = 1227840.

The previous prime is 3913837. The next prime is 3913907. The reversal of 3913842 is 2483193.

It is an Ulam number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19084 + ... + 19287.

It is an arithmetic number, because the mean of its divisors is an integer number (518022).

Almost surely, 2^3913842 is an apocalyptic number.

3913842 is an abundant number, since it is smaller than the sum of its proper divisors (4374510).

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

3913842 is a wasteful number, since it uses less digits than its factorization.

3913842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38393.

The product of its digits is 5184, while the sum is 30.

The square root of 3913842 is about 1978.3432462543. The cubic root of 3913842 is about 157.5920952944.

The spelling of 3913842 in words is "three million, nine hundred thirteen thousand, eight hundred forty-two".