3618416 has 40 divisors (see below), whose sum is σ = 7593264. Its totient is φ = 1664000.

The previous prime is 3618409. The next prime is 3618421. The reversal of 3618416 is 6148163.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14291 + ... + 14541.

Almost surely, 2^3618416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3618416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3796632).

3618416 is an abundant number, since it is smaller than the sum of its proper divisors (3974848).

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

3618416 is a wasteful number, since it uses less digits than its factorization.

3618416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 323 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 3618416 is about 1902.2134475395. The cubic root of 3618416 is about 153.5227820062.

It can be divided in two parts, 36 and 18416, that multiplied together give a triangular number (662976 = T₁₁₅₁).

The spelling of 3618416 in words is "three million, six hundred eighteen thousand, four hundred sixteen".