3676945 has 4 divisors (see below), whose sum is σ = 4412340. Its totient is φ = 2941552.

The previous prime is 3676931. The next prime is 3676957. The reversal of 3676945 is 5496763.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5496763 = 17 ⋅323339.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 2692881 = 992^2 + 1641^2 .

It is a cyclic number.

It is not a de Polignac number, because 3676945 - 2⁹ = 3676433 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3676898 and 3676907.

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, 367690 + ... + 367699.

It is an arithmetic number, because the mean of its divisors is an integer number (1103085).

Almost surely, 2^3676945 is an apocalyptic number.

It is an amenable number.

3676945 is a deficient number, since it is larger than the sum of its proper divisors (735395).

3676945 is an equidigital number, since it uses as much as digits as its factorization.

3676945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735394.

The product of its digits is 136080, while the sum is 40.

The square root of 3676945 is about 1917.5361795805. The cubic root of 3676945 is about 154.3461181196.

The spelling of 3676945 in words is "three million, six hundred seventy-six thousand, nine hundred forty-five".