408901 has 8 divisors (see below), whose sum is σ = 440640. Its totient is φ = 378048.

The previous prime is 408869. The next prime is 408911. The reversal of 408901 is 109804.

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

It is a cyclic number.

It is not a de Polignac number, because 408901 - 2⁵ = 408869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960 + ... + 1318.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2⁴⁰⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

408901 is a deficient number, since it is larger than the sum of its proper divisors (31739).

408901 is a wasteful number, since it uses less digits than its factorization.

408901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

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

The square root of 408901 is about 639.4536730679. The cubic root of 408901 is about 74.2231515728.

The spelling of 408901 in words is "four hundred eight thousand, nine hundred one".