355620616 has 48 divisors (see below), whose sum is σ = 741644100. Its totient is φ = 159674112.

The previous prime is 355620613. The next prime is 355620631. The reversal of 355620616 is 616026553.

It can be written as a sum of positive squares in 6 ways, for example, as 60124516 + 295496100 = 7754^2 + 17190^2 .

It is not an unprimeable number, because it can be changed into a prime (355620613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46470 + ... + 53578.

Almost surely, 2^355620616 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 355620616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370822050).

355620616 is an abundant number, since it is smaller than the sum of its proper divisors (386023484).

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

355620616 is a wasteful number, since it uses less digits than its factorization.

355620616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 355620616 is about 18857.9059282838. The cubic root of 355620616 is about 708.4822541357.

The spelling of 355620616 in words is "three hundred fifty-five million, six hundred twenty thousand, six hundred sixteen".