3820398 has 16 divisors (see below), whose sum is σ = 7847760. Its totient is φ = 1238976.

The previous prime is 3820391. The next prime is 3820423. The reversal of 3820398 is 8930283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820391) by changing a digit.

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, 8383 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (490485).

Almost surely, 2^3820398 is an apocalyptic number.

3820398 is an abundant number, since it is smaller than the sum of its proper divisors (4027362).

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

3820398 is a wasteful number, since it uses less digits than its factorization.

3820398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3820398 is about 1954.5838431748. The cubic root of 3820398 is about 156.3277952868.

The spelling of 3820398 in words is "three million, eight hundred twenty thousand, three hundred ninety-eight".