4050649 has 8 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 3890736.

The previous prime is 4050647. The next prime is 4050671. The reversal of 4050649 is 9460504.

4050649 = T₂₇₀ + T₂₇₁ + ... + T₃₅₂.

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 4050649 - 2¹ = 4050647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4050647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412 + ... + 3730.

It is an arithmetic number, because the mean of its divisors is an integer number (526680).

Almost surely, 2^4050649 is an apocalyptic number.

It is an amenable number.

4050649 is a deficient number, since it is larger than the sum of its proper divisors (162791).

4050649 is a wasteful number, since it uses less digits than its factorization.

4050649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4050649 is about 2012.6224186369. The cubic root of 4050649 is about 159.4072993104.

The spelling of 4050649 in words is "four million, fifty thousand, six hundred forty-nine".