350617638 has 48 divisors (see below), whose sum is σ = 817910784. Its totient is φ = 99907920.

The previous prime is 350617637. The next prime is 350617649. The reversal of 350617638 is 836716053.

It is a junction number, because it is equal to n+sod(n) for n = 350617596 and 350617605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350617637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125331 + ... + 128097.

It is an arithmetic number, because the mean of its divisors is an integer number (17039808).

Almost surely, 2^350617638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 350617638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408955392).

350617638 is an abundant number, since it is smaller than the sum of its proper divisors (467293146).

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

350617638 is a wasteful number, since it uses less digits than its factorization.

350617638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3210 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 350617638 is about 18724.7867277574. The cubic root of 350617638 is about 705.1441705055.

The spelling of 350617638 in words is "three hundred fifty million, six hundred seventeen thousand, six hundred thirty-eight".