351744660 has 96 divisors (see below), whose sum is σ = 1109431680. Its totient is φ = 92503296.

The previous prime is 351744649. The next prime is 351744689. The reversal of 351744660 is 66447153.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34959 + ... + 43881.

It is an arithmetic number, because the mean of its divisors is an integer number (11556580).

Almost surely, 2^351744660 is an apocalyptic number.

351744660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351744660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554715840).

351744660 is an abundant number, since it is smaller than the sum of its proper divisors (757687020).

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

351744660 is a wasteful number, since it uses less digits than its factorization.

351744660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014 (or 9006 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 351744660 is about 18754.8569709289. The cubic root of 351744660 is about 705.8988986563.

The spelling of 351744660 in words is "three hundred fifty-one million, seven hundred forty-four thousand, six hundred sixty".