3669920 has 24 divisors (see below), whose sum is σ = 8670564. Its totient is φ = 1467904.

The previous prime is 3669899. The next prime is 3669931. The reversal of 3669920 is 299663.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 150544 = 1876^2 + 388^2 .

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, 11309 + ... + 11628.

Almost surely, 2^3669920 is an apocalyptic number.

It is an amenable number.

3669920 is an abundant number, since it is smaller than the sum of its proper divisors (5000644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3669920 is a wasteful number, since it uses less digits than its factorization.

3669920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22952 (or 22944 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3669920 is about 1915.7035261230. The cubic root of 3669920 is about 154.2477599500.

The spelling of 3669920 in words is "three million, six hundred sixty-nine thousand, nine hundred twenty".