4649429 has 4 divisors (see below), whose sum is σ = 4654476. Its totient is φ = 4644384.

The previous prime is 4649417. The next prime is 4649431. The reversal of 4649429 is 9249464.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 4120900 = 727^2 + 2030^2 .

It is a cyclic number.

It is not a de Polignac number, because 4649429 - 2⁴ = 4649413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4649392 and 4649401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649459) 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 3 ways as a sum of consecutive naturals, for example, 704 + ... + 3129.

It is an arithmetic number, because the mean of its divisors is an integer number (1163619).

Almost surely, 2^4649429 is an apocalyptic number.

It is an amenable number.

4649429 is a deficient number, since it is larger than the sum of its proper divisors (5047).

4649429 is a wasteful number, since it uses less digits than its factorization.

4649429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046.

The product of its digits is 62208, while the sum is 38.

The square root of 4649429 is about 2156.2534637653. The cubic root of 4649429 is about 166.9039212125.

The spelling of 4649429 in words is "four million, six hundred forty-nine thousand, four hundred twenty-nine".