4194649 has 4 divisors (see below), whose sum is σ = 4415440. Its totient is φ = 3973860.

The previous prime is 4194643. The next prime is 4194661. The reversal of 4194649 is 9464914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4194649 - 2⁹ = 4194137 is a prime.

It is a d-powerful number, because it can be written as 4³ + 1 + 9 + 4⁴ + 6 + 4¹¹ + 9 .

It is a Duffinian number.

4194649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4194643) 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, 110367 + ... + 110404.

It is an arithmetic number, because the mean of its divisors is an integer number (1103860).

Almost surely, 2^4194649 is an apocalyptic number.

It is an amenable number.

4194649 is a deficient number, since it is larger than the sum of its proper divisors (220791).

4194649 is a wasteful number, since it uses less digits than its factorization.

4194649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220790.

The product of its digits is 31104, while the sum is 37.

The square root of 4194649 is about 2048.0842267837. The cubic root of 4194649 is about 161.2743159853.

The spelling of 4194649 in words is "four million, one hundred ninety-four thousand, six hundred forty-nine".