3898418 has 8 divisors (see below), whose sum is σ = 5857920. Its totient is φ = 1945780.

The previous prime is 3898417. The next prime is 3898421. The reversal of 3898418 is 8148983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898417) 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 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (732240).

Almost surely, 2^3898418 is an apocalyptic number.

3898418 is a deficient number, since it is larger than the sum of its proper divisors (1959502).

3898418 is a wasteful number, since it uses less digits than its factorization.

3898418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432.

The product of its digits is 55296, while the sum is 41.

The square root of 3898418 is about 1974.4411867665. The cubic root of 3898418 is about 157.3848053285.

The spelling of 3898418 in words is "three million, eight hundred ninety-eight thousand, four hundred eighteen".