4899649 has 4 divisors (see below), whose sum is σ = 4905136. Its totient is φ = 4894164.

The previous prime is 4899647. The next prime is 4899673. The reversal of 4899649 is 9469984.

4899649 is nontrivially palindromic in base 13.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4899649 - 2¹ = 4899647 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4899641) 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, 1059 + ... + 3304.

It is an arithmetic number, because the mean of its divisors is an integer number (1226284).

Almost surely, 2^4899649 is an apocalyptic number.

It is an amenable number.

4899649 is a deficient number, since it is larger than the sum of its proper divisors (5487).

4899649 is a wasteful number, since it uses less digits than its factorization.

4899649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486.

The product of its digits is 559872, while the sum is 49.

The square root of 4899649 is about 2213.5150778795. The cubic root of 4899649 is about 169.8458695271.

The spelling of 4899649 in words is "four million, eight hundred ninety-nine thousand, six hundred forty-nine".