3677645 has 4 divisors (see below), whose sum is σ = 4413180. Its totient is φ = 2942112.

The previous prime is 3677633. The next prime is 3677657. The reversal of 3677645 is 5467763.

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

It is an interprime number because it is at equal distance from previous prime (3677633) and next prime (3677657).

It can be written as a sum of positive squares in 2 ways, for example, as 2271049 + 1406596 = 1507^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 3677645 - 2⁶ = 3677581 is a prime.

It is a super-3 number, since 3×3677645³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3677599 and 3677608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367760 + ... + 367769.

It is an arithmetic number, because the mean of its divisors is an integer number (1103295).

Almost surely, 2^3677645 is an apocalyptic number.

It is an amenable number.

3677645 is a deficient number, since it is larger than the sum of its proper divisors (735535).

3677645 is an equidigital number, since it uses as much as digits as its factorization.

3677645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735534.

The product of its digits is 105840, while the sum is 38.

The square root of 3677645 is about 1917.7186967853. The cubic root of 3677645 is about 154.3559120679.

The spelling of 3677645 in words is "three million, six hundred seventy-seven thousand, six hundred forty-five".