4061657 has 4 divisors (see below), whose sum is σ = 4300596. Its totient is φ = 3822720.

The previous prime is 4061641. The next prime is 4061663. The reversal of 4061657 is 7561604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 2886601 = 1084^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 4061657 - 2⁴ = 4061641 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 (4061677) 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, 119444 + ... + 119477.

It is an arithmetic number, because the mean of its divisors is an integer number (1075149).

Almost surely, 2^4061657 is an apocalyptic number.

It is an amenable number.

4061657 is a deficient number, since it is larger than the sum of its proper divisors (238939).

4061657 is a wasteful number, since it uses less digits than its factorization.

4061657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238938.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4061657 is about 2015.3553036624. The cubic root of 4061657 is about 159.5515698852.

The spelling of 4061657 in words is "four million, sixty-one thousand, six hundred fifty-seven".