4056407 has 2 divisors, whose sum is σ = 4056408. Its totient is φ = 4056406.

The previous prime is 4056389. The next prime is 4056419. The reversal of 4056407 is 7046504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4056407 - 2¹² = 4052311 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4056457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028203 + 2028204.

It is an arithmetic number, because the mean of its divisors is an integer number (2028204).

Almost surely, 2^4056407 is an apocalyptic number.

4056407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4056407 is an equidigital number, since it uses as much as digits as its factorization.

4056407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 4056407 is about 2014.0523826356. The cubic root of 4056407 is about 159.4827960729.

The spelling of 4056407 in words is "four million, fifty-six thousand, four hundred seven".