3820942 has 4 divisors (see below), whose sum is σ = 5731416. Its totient is φ = 1910470.

The previous prime is 3820933. The next prime is 3820963. The reversal of 3820942 is 2490283.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3820942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955234 + ... + 955237.

It is an arithmetic number, because the mean of its divisors is an integer number (1432854).

Almost surely, 2^3820942 is an apocalyptic number.

3820942 is a deficient number, since it is larger than the sum of its proper divisors (1910474).

3820942 is a wasteful number, since it uses less digits than its factorization.

3820942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910473.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3820942 is about 1954.7229982788. The cubic root of 3820942 is about 156.3352149574.

The spelling of 3820942 in words is "three million, eight hundred twenty thousand, nine hundred forty-two".