401898 has 24 divisors (see below), whose sum is σ = 935712. Its totient is φ = 114744.

The previous prime is 401887. The next prime is 401903. The reversal of 401898 is 898104.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (38988).

2⁴⁰¹⁸⁹⁸ is an apocalyptic number.

401898 is an abundant number, since it is smaller than the sum of its proper divisors (533814).

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

401898 is a wasteful number, since it uses less digits than its factorization.

401898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1379 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 401898 is about 633.9542570249. The cubic root of 401898 is about 73.7969843290.

The spelling of 401898 in words is "four hundred one thousand, eight hundred ninety-eight".