3898406 has 8 divisors (see below), whose sum is σ = 6191640. Its totient is φ = 1834528.

The previous prime is 3898393. The next prime is 3898409. The reversal of 3898406 is 6048983.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3898406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898409) 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, 57296 + ... + 57363.

It is an arithmetic number, because the mean of its divisors is an integer number (773955).

Almost surely, 2^3898406 is an apocalyptic number.

3898406 is a deficient number, since it is larger than the sum of its proper divisors (2293234).

3898406 is a wasteful number, since it uses less digits than its factorization.

3898406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114678.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3898406 is about 1974.4381479297. The cubic root of 3898406 is about 157.3846438425.

The spelling of 3898406 in words is "three million, eight hundred ninety-eight thousand, four hundred six".