3658122 has 56 divisors (see below), whose sum is σ = 8905764. Its totient is φ = 1119744.

The previous prime is 3658117. The next prime is 3658129. The reversal of 3658122 is 2218563.

3658122 is a `hidden beast` number, since 3 + 658 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3272481 + 385641 = 1809^2 + 621^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3658129) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18858 + ... + 19050.

Almost surely, 2^3658122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3658122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4452882).

3658122 is an abundant number, since it is smaller than the sum of its proper divisors (5247642).

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

3658122 is a wasteful number, since it uses less digits than its factorization.

3658122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 211 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3658122 is about 1912.6217608299. The cubic root of 3658122 is about 154.0822914324.

The spelling of 3658122 in words is "three million, six hundred fifty-eight thousand, one hundred twenty-two".