4649899 has 4 divisors (see below), whose sum is σ = 4693464. Its totient is φ = 4606336.

The previous prime is 4649893. The next prime is 4649903. The reversal of 4649899 is 9989464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4649899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4649893) 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, 21622 + ... + 21835.

It is an arithmetic number, because the mean of its divisors is an integer number (1173366).

Almost surely, 2^4649899 is an apocalyptic number.

4649899 is a deficient number, since it is larger than the sum of its proper divisors (43565).

4649899 is a wasteful number, since it uses less digits than its factorization.

4649899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43564.

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

The square root of 4649899 is about 2156.3624463434. The cubic root of 4649899 is about 166.9095449999.

The spelling of 4649899 in words is "four million, six hundred forty-nine thousand, eight hundred ninety-nine".