3797842 has 4 divisors (see below), whose sum is σ = 5696766. Its totient is φ = 1898920.

The previous prime is 3797837. The next prime is 3797863. The reversal of 3797842 is 2487973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2487973 = 983 ⋅2531.

It can be written as a sum of positive squares in only one way, i.e., 3613801 + 184041 = 1901^2 + 429^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3797795 and 3797804.

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 as a sum of consecutive naturals, namely, 949459 + ... + 949462.

Almost surely, 2^3797842 is an apocalyptic number.

3797842 is a deficient number, since it is larger than the sum of its proper divisors (1898924).

3797842 is a wasteful number, since it uses less digits than its factorization.

3797842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898923.

The product of its digits is 84672, while the sum is 40.

The square root of 3797842 is about 1948.8052750339. The cubic root of 3797842 is about 156.0195296610.

It can be divided in two parts, 37 and 97842, that added together give a palindrome (97879).

The spelling of 3797842 in words is "three million, seven hundred ninety-seven thousand, eight hundred forty-two".