3670657 has 4 divisors (see below), whose sum is σ = 3886596. Its totient is φ = 3454720.

The previous prime is 3670651. The next prime is 3670661. The reversal of 3670657 is 7560763.

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 3352561 + 318096 = 1831^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 3670657 - 2³ = 3670649 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 (3670651) 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, 107944 + ... + 107977.

It is an arithmetic number, because the mean of its divisors is an integer number (971649).

Almost surely, 2^3670657 is an apocalyptic number.

It is an amenable number.

3670657 is a deficient number, since it is larger than the sum of its proper divisors (215939).

3670657 is a wasteful number, since it uses less digits than its factorization.

3670657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215938.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 3670657 is about 1915.8958739973. The cubic root of 3670657 is about 154.2580846974.

It can be divided in two parts, 36706 and 57, that added together give a palindrome (36763).

The spelling of 3670657 in words is "three million, six hundred seventy thousand, six hundred fifty-seven".