3919398 has 16 divisors (see below), whose sum is σ = 8958720. Its totient is φ = 1119816.

The previous prime is 3919397. The next prime is 3919411. The reversal of 3919398 is 8939193.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 93319 = 3919398 / (3 + 9 + 1 + 9 + 3 + 9 + 8).

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919393) 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, 46618 + ... + 46701.

It is an arithmetic number, because the mean of its divisors is an integer number (559920).

Almost surely, 2^3919398 is an apocalyptic number.

3919398 is an abundant number, since it is smaller than the sum of its proper divisors (5039322).

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

3919398 is a wasteful number, since it uses less digits than its factorization.

3919398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93331.

The product of its digits is 52488, while the sum is 42.

The square root of 3919398 is about 1979.7469535271. The cubic root of 3919398 is about 157.6666314057. Note that the first 4 decimals are identical.

The spelling of 3919398 in words is "three million, nine hundred nineteen thousand, three hundred ninety-eight".