406901 has 8 divisors (see below), whose sum is σ = 451008. Its totient is φ = 364000.

The previous prime is 406883. The next prime is 406907. The reversal of 406901 is 109604.

406901 is nontrivially palindromic in base 5.

406901 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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 406901 - 2⁶ = 406837 is a prime.

It is a Duffinian number.

406901 is an undulating number in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406907) by changing a digit.

It is a nontrivial repunit in base 25.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 1041.

It is an arithmetic number, because the mean of its divisors is an integer number (56376).

2⁴⁰⁶⁹⁰¹ is an apocalyptic number.

406901 is the 521-st pentagonal number.

It is an amenable number.

406901 is a deficient number, since it is larger than the sum of its proper divisors (44107).

406901 is a wasteful number, since it uses less digits than its factorization.

406901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 406901 is about 637.8879211899. The cubic root of 406901 is about 74.1019413142.

The spelling of 406901 in words is "four hundred six thousand, nine hundred one".