898403 has 16 divisors (see below), whose sum is σ = 1057536. Its totient is φ = 755040.

The previous prime is 898369. The next prime is 898409. The reversal of 898403 is 304898.

It is not a de Polignac number, because 898403 - 2⁸ = 898147 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 898403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898403.

It is not an unprimeable number, because it can be changed into a prime (898409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13376 + ... + 13442.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2⁸⁹⁸⁴⁰³ is an apocalyptic number.

898403 is a deficient number, since it is larger than the sum of its proper divisors (159133).

898403 is a wasteful number, since it uses less digits than its factorization.

898403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 898403 is about 947.8412314307. The cubic root of 898403 is about 96.4917977404.

Subtracting from 898403 its reverse (304898), we obtain a triangular number (593505 = T₁₀₈₉).

The spelling of 898403 in words is "eight hundred ninety-eight thousand, four hundred three".