3331816 has 8 divisors (see below), whose sum is σ = 6247170. Its totient is φ = 1665904.

The previous prime is 3331799. The next prime is 3331829. The reversal of 3331816 is 6181333.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 198916 = 1770^2 + 446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3331816² = 22201995715712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208231 + ... + 208246.

Almost surely, 2^3331816 is an apocalyptic number.

It is an amenable number.

3331816 is a deficient number, since it is larger than the sum of its proper divisors (2915354).

3331816 is a wasteful number, since it uses less digits than its factorization.

3331816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416483 (or 416479 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 3331816 is about 1825.3262722045. The cubic root of 3331816 is about 149.3574888292.

The spelling of 3331816 in words is "three million, three hundred thirty-one thousand, eight hundred sixteen".