412640 has 24 divisors (see below), whose sum is σ = 975240. Its totient is φ = 164992.

The previous prime is 412639. The next prime is 412651. The reversal of 412640 is 46214.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 412640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (40635).

2⁴¹²⁶⁴⁰ is an apocalyptic number.

412640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

412640 is an abundant number, since it is smaller than the sum of its proper divisors (562600).

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

412640 is a wasteful number, since it uses less digits than its factorization.

412640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 412640 is about 642.3706095394. The cubic root of 412640 is about 74.4486982215.

Adding to 412640 its reverse (46214), we get a palindrome (458854).

The spelling of 412640 in words is "four hundred twelve thousand, six hundred forty".