3898403 has 4 divisors (see below), whose sum is σ = 3993528. Its totient is φ = 3803280.

The previous prime is 3898393. The next prime is 3898409. The reversal of 3898403 is 3048983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3048983 = 7 ⋅435569.

It is a cyclic number.

It is not a de Polignac number, because 3898403 - 2¹² = 3894307 is a prime.

It is a Duffinian 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, 47501 + ... + 47582.

It is an arithmetic number, because the mean of its divisors is an integer number (998382).

Almost surely, 2^3898403 is an apocalyptic number.

3898403 is a deficient number, since it is larger than the sum of its proper divisors (95125).

3898403 is an equidigital number, since it uses as much as digits as its factorization.

3898403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95124.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 3898403 is about 1974.4373882197. The cubic root of 3898403 is about 157.3846034710.

The spelling of 3898403 in words is "three million, eight hundred ninety-eight thousand, four hundred three".