407140 has 12 divisors (see below), whose sum is σ = 855036. Its totient is φ = 162848.

The previous prime is 407137. The next prime is 407149. The reversal of 407140 is 41704.

It is a happy number.

407140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191844 + 215296 = 438^2 + 464^2 .

It is not an unprimeable number, because it can be changed into a prime (407149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10159 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (71253).

2⁴⁰⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

407140 is an abundant number, since it is smaller than the sum of its proper divisors (447896).

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

407140 is a wasteful number, since it uses less digits than its factorization.

407140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20366 (or 20364 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 407140 is about 638.0752306743. The cubic root of 407140 is about 74.1164468062.

Adding to 407140 its reverse (41704), we get a palindrome (448844).

The spelling of 407140 in words is "four hundred seven thousand, one hundred forty", and thus it is an iban number.