4739649 has 4 divisors (see below), whose sum is σ = 6319536. Its totient is φ = 3159764.

The previous prime is 4739599. The next prime is 4739659. The reversal of 4739649 is 9469374.

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 4739649 - 2⁷ = 4739521 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 4739649.

It is not an unprimeable number, because it can be changed into a prime (4739659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789939 + ... + 789944.

It is an arithmetic number, because the mean of its divisors is an integer number (1579884).

Almost surely, 2^4739649 is an apocalyptic number.

It is an amenable number.

4739649 is a deficient number, since it is larger than the sum of its proper divisors (1579887).

4739649 is a wasteful number, since it uses less digits than its factorization.

4739649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579886.

The product of its digits is 163296, while the sum is 42.

The square root of 4739649 is about 2177.0734943956. The cubic root of 4739649 is about 167.9765769499.

The spelling of 4739649 in words is "four million, seven hundred thirty-nine thousand, six hundred forty-nine".