401465 has 8 divisors (see below), whose sum is σ = 502848. Its totient is φ = 307120.

The previous prime is 401417. The next prime is 401473. The reversal of 401465 is 564104.

It is a happy number.

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

It is not a de Polignac number, because 401465 - 2⁸ = 401209 is a prime.

It is a super-2 number, since 2×401465² = 322348292450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 401465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (62856).

2⁴⁰¹⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

401465 is a deficient number, since it is larger than the sum of its proper divisors (101383).

401465 is a wasteful number, since it uses less digits than its factorization.

401465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401465 is about 633.6126577018. The cubic root of 401465 is about 73.7704721487.

Adding to 401465 its reverse (564104), we get a palindrome (965569).

The spelling of 401465 in words is "four hundred one thousand, four hundred sixty-five".