4293657 has 6 divisors (see below), whose sum is σ = 6201962. Its totient is φ = 2862432.

The previous prime is 4293649. The next prime is 4293683. The reversal of 4293657 is 7563924.

It can be written as a sum of positive squares in only one way, i.e., 2903616 + 1390041 = 1704^2 + 1179^2 .

It is not a de Polignac number, because 4293657 - 2³ = 4293649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4293637) 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 5 ways as a sum of consecutive naturals, for example, 238528 + ... + 238545.

Almost surely, 2^4293657 is an apocalyptic number.

It is an amenable number.

4293657 is a deficient number, since it is larger than the sum of its proper divisors (1908305).

4293657 is a wasteful number, since it uses less digits than its factorization.

4293657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477079 (or 477076 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 4293657 is about 2072.1141377830. The cubic root of 4293657 is about 162.5333359616.

It can be divided in two parts, 4293 and 657, that added together give a triangular number (4950 = T₉₉).

The spelling of 4293657 in words is "four million, two hundred ninety-three thousand, six hundred fifty-seven".