3652818 has 16 divisors (see below), whose sum is σ = 7867776. Its totient is φ = 1123920.

The previous prime is 3652783. The next prime is 3652819. The reversal of 3652818 is 8182563.

It is a happy number.

It is a super-2 number, since 2×3652818² = 26686158682248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3652819) 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, 23338 + ... + 23493.

It is an arithmetic number, because the mean of its divisors is an integer number (491736).

Almost surely, 2^3652818 is an apocalyptic number.

3652818 is an abundant number, since it is smaller than the sum of its proper divisors (4214958).

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

3652818 is a wasteful number, since it uses less digits than its factorization.

3652818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46849.

The product of its digits is 11520, while the sum is 33.

The square root of 3652818 is about 1911.2346794677. The cubic root of 3652818 is about 154.0077861920.

The spelling of 3652818 in words is "three million, six hundred fifty-two thousand, eight hundred eighteen".