351630516 has 48 divisors (see below), whose sum is σ = 870851520. Its totient is φ = 110046720.

The previous prime is 351630469. The next prime is 351630557. The reversal of 351630516 is 615036153.

It is a congruent number.

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, 92175 + ... + 95913.

It is an arithmetic number, because the mean of its divisors is an integer number (18142740).

Almost surely, 2^351630516 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 351630516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435425760).

351630516 is an abundant number, since it is smaller than the sum of its proper divisors (519221004).

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

351630516 is a wasteful number, since it uses less digits than its factorization.

351630516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 351630516 is about 18751.8136722825. The cubic root of 351630516 is about 705.8225337527.

Adding to 351630516 its reverse (615036153), we get a palindrome (966666669).

The spelling of 351630516 in words is "three hundred fifty-one million, six hundred thirty thousand, five hundred sixteen".