3657161 has 8 divisors (see below), whose sum is σ = 3948480. Its totient is φ = 3376912.

The previous prime is 3657151. The next prime is 3657167. The reversal of 3657161 is 1617563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3657161 - 2⁶ = 3657097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 3657161 parts by 2704 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3657167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2075 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (493560).

Almost surely, 2^3657161 is an apocalyptic number.

It is an amenable number.

3657161 is a deficient number, since it is larger than the sum of its proper divisors (291319).

3657161 is a wasteful number, since it uses less digits than its factorization.

3657161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535.

The product of its digits is 3780, while the sum is 29.

The square root of 3657161 is about 1912.3705184927. The cubic root of 3657161 is about 154.0687976187.

The spelling of 3657161 in words is "three million, six hundred fifty-seven thousand, one hundred sixty-one".