3662818 has 8 divisors (see below), whose sum is σ = 5503212. Its totient is φ = 1828416.

The previous prime is 3662809. The next prime is 3662831. The reversal of 3662818 is 8182663.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 3249 = 1913^2 + 57^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3662818² = 26832471402248, which contains 22 as substring.

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, 646 + ... + 2782.

Almost surely, 2^3662818 is an apocalyptic number.

3662818 is a deficient number, since it is larger than the sum of its proper divisors (1840394).

3662818 is a wasteful number, since it uses less digits than its factorization.

3662818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996.

The product of its digits is 13824, while the sum is 34.

The square root of 3662818 is about 1913.8490013583. The cubic root of 3662818 is about 154.1481960178.

The spelling of 3662818 in words is "three million, six hundred sixty-two thousand, eight hundred eighteen".