3351618 has 40 divisors (see below), whose sum is σ = 7958412. Its totient is φ = 1050624.

The previous prime is 3351611. The next prime is 3351631. The reversal of 3351618 is 8161533.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 13689 = 1827^2 + 117^2 .

It is a super-2 number, since 2×3351618² = 22466686435848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3351591 and 3351600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2146 + ... + 3362.

Almost surely, 2^3351618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3351618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3979206).

3351618 is an abundant number, since it is smaller than the sum of its proper divisors (4606794).

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

3351618 is a wasteful number, since it uses less digits than its factorization.

3351618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 1239 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3351618 is about 1830.7424723319. The cubic root of 3351618 is about 149.6527969537.

It can be divided in two parts, 3351 and 618, that added together give a square (3969 = 63²).

The spelling of 3351618 in words is "three million, three hundred fifty-one thousand, six hundred eighteen".