908401 has 4 divisors (see below), whose sum is σ = 978292. Its totient is φ = 838512.

The previous prime is 908381. The next prime is 908417. The reversal of 908401 is 104809.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104809 = 163 ⋅643.

It can be written as a sum of positive squares in 2 ways, for example, as 62001 + 846400 = 249^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 908401 - 2¹⁹ = 384113 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (908441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34926 + ... + 34951.

It is an arithmetic number, because the mean of its divisors is an integer number (244573).

2⁹⁰⁸⁴⁰¹ is an apocalyptic number.

It is an amenable number.

908401 is a deficient number, since it is larger than the sum of its proper divisors (69891).

908401 is a wasteful number, since it uses less digits than its factorization.

908401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69890.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 908401 is about 953.1007291992. The cubic root of 908401 is about 96.8484187911.

The spelling of 908401 in words is "nine hundred eight thousand, four hundred one".