4689651 has 4 divisors (see below), whose sum is σ = 6252872. Its totient is φ = 3126432.

The previous prime is 4689611. The next prime is 4689661. The reversal of 4689651 is 1569864.

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

It is not a de Polignac number, because 4689651 - 2¹³ = 4681459 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4689611) 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, 781606 + ... + 781611.

It is an arithmetic number, because the mean of its divisors is an integer number (1563218).

Almost surely, 2^4689651 is an apocalyptic number.

4689651 is a deficient number, since it is larger than the sum of its proper divisors (1563221).

4689651 is a wasteful number, since it uses less digits than its factorization.

4689651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563220.

The product of its digits is 51840, while the sum is 39.

The square root of 4689651 is about 2165.5602046584. The cubic root of 4689651 is about 167.3838327219.

The spelling of 4689651 in words is "four million, six hundred eighty-nine thousand, six hundred fifty-one".