4687949 has 4 divisors (see below), whose sum is σ = 5357664. Its totient is φ = 4018236.

The previous prime is 4687933. The next prime is 4687961. The reversal of 4687949 is 9497864.

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 4687949 - 2⁴ = 4687933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687919) 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, 334847 + ... + 334860.

It is an arithmetic number, because the mean of its divisors is an integer number (1339416).

Almost surely, 2^4687949 is an apocalyptic number.

It is an amenable number.

4687949 is a deficient number, since it is larger than the sum of its proper divisors (669715).

4687949 is an equidigital number, since it uses as much as digits as its factorization.

4687949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669714.

The product of its digits is 435456, while the sum is 47.

The square root of 4687949 is about 2165.1671990865. The cubic root of 4687949 is about 167.3635809125.

The spelling of 4687949 in words is "four million, six hundred eighty-seven thousand, nine hundred forty-nine".