400014 has 24 divisors (see below), whose sum is σ = 881712. Its totient is φ = 131040.

The previous prime is 400009. The next prime is 400031. The reversal of 400014 is 410004.

It is a super-2 number, since 2×400014² = 320022400392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 399969 and 400005.

It is a congruent number.

It is an unprimeable number.

400014 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (36738).

2⁴⁰⁰⁰¹⁴ is an apocalyptic number.

400014 is an abundant number, since it is smaller than the sum of its proper divisors (481698).

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

400014 is a wasteful number, since it uses less digits than its factorization.

400014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 400014 is about 632.4665999086. The cubic root of 400014 is about 73.6814895701.

Adding to 400014 its reverse (410004), we get a palindrome (810018).

The spelling of 400014 in words is "four hundred thousand, fourteen", and thus it is an iban number.