4689657 has 28 divisors (see below), whose sum is σ = 8044480. Its totient is φ = 2676888.

The previous prime is 4689611. The next prime is 4689661. The reversal of 4689657 is 7569864.

It is not a de Polignac number, because 4689657 - 2¹² = 4685561 is a prime.

It is a Duffinian number.

4689657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4689667) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4644 + ... + 5562.

Almost surely, 2^4689657 is an apocalyptic number.

It is an amenable number.

4689657 is a deficient number, since it is larger than the sum of its proper divisors (3354823).

4689657 is an frugal number, since it uses more digits than its factorization.

4689657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 929 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 4689657 is about 2165.5615899808. The cubic root of 4689657 is about 167.3839041062.

The spelling of 4689657 in words is "four million, six hundred eighty-nine thousand, six hundred fifty-seven".