4056340 has 12 divisors (see below), whose sum is σ = 8518356. Its totient is φ = 1622528.

The previous prime is 4056287. The next prime is 4056359. The reversal of 4056340 is 436504.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 2572816 = 1218^2 + 1604^2 .

It is a congruent number.

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, 101389 + ... + 101428.

It is an arithmetic number, because the mean of its divisors is an integer number (709863).

Almost surely, 2^4056340 is an apocalyptic number.

It is an amenable number.

4056340 is an abundant number, since it is smaller than the sum of its proper divisors (4462016).

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

4056340 is a wasteful number, since it uses less digits than its factorization.

4056340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202826 (or 202824 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4056340 is about 2014.0357494345. The cubic root of 4056340 is about 159.4819180047.

The spelling of 4056340 in words is "four million, fifty-six thousand, three hundred forty".