4056149 has 8 divisors (see below), whose sum is σ = 4312728. Its totient is φ = 3801600.

The previous prime is 4056137. The next prime is 4056161. The reversal of 4056149 is 9416504.

It is an interprime number because it is at equal distance from previous prime (4056137) and next prime (4056161).

It can be written as a sum of positive squares in 4 ways, for example, as 2146225 + 1909924 = 1465^2 + 1382^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4056149 - 2⁸ = 4055893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6449 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (539091).

Almost surely, 2^4056149 is an apocalyptic number.

It is an amenable number.

4056149 is a deficient number, since it is larger than the sum of its proper divisors (256579).

4056149 is a wasteful number, since it uses less digits than its factorization.

4056149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4056149 is about 2013.9883316445. The cubic root of 4056149 is about 159.4794148019.

The spelling of 4056149 in words is "four million, fifty-six thousand, one hundred forty-nine".