400062 has 32 divisors (see below), whose sum is σ = 903168. Its totient is φ = 117216.

The previous prime is 400051. The next prime is 400067. The reversal of 400062 is 260004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400067) by changing a digit.

400062 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 1683 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (28224).

2⁴⁰⁰⁰⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451584).

400062 is an abundant number, since it is smaller than the sum of its proper divisors (503106).

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

400062 is a wasteful number, since it uses less digits than its factorization.

400062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 400062 is about 632.5045454382. The cubic root of 400062 is about 73.6844366087.

Adding to 400062 its reverse (260004), we get a palindrome (660066).

The spelling of 400062 in words is "four hundred thousand, sixty-two".