350121604 has 48 divisors (see below), whose sum is σ = 719300736. Its totient is φ = 146016000.

The previous prime is 350121593. The next prime is 350121619. The reversal of 350121604 is 406121053.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193504 + ... + 195304.

It is an arithmetic number, because the mean of its divisors is an integer number (14985432).

Almost surely, 2^350121604 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 350121604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359650368).

350121604 is an abundant number, since it is smaller than the sum of its proper divisors (369179132).

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

350121604 is a wasteful number, since it uses less digits than its factorization.

350121604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 350121604 is about 18711.5366552296. The cubic root of 350121604 is about 704.8114808717.

Adding to 350121604 its reverse (406121053), we get a palindrome (756242657).

The spelling of 350121604 in words is "three hundred fifty million, one hundred twenty-one thousand, six hundred four".