351198720 has 160 divisors (see below), whose sum is σ = 1247732640. Its totient is φ = 93634560.

The previous prime is 351198719. The next prime is 351198773. The reversal of 351198720 is 27891153.

It is a tau number, because it is divible by the number of its divisors (160).

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 15 ways as a sum of consecutive naturals, for example, 66580 + ... + 71660.

It is an arithmetic number, because the mean of its divisors is an integer number (7798329).

Almost surely, 2^351198720 is an apocalyptic number.

351198720 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 351198720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623866320).

351198720 is an abundant number, since it is smaller than the sum of its proper divisors (896533920).

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

351198720 is an equidigital number, since it uses as much as digits as its factorization.

351198720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 351198720 is about 18740.2966892203. The cubic root of 351198720 is about 705.5335029194.

The spelling of 351198720 in words is "three hundred fifty-one million, one hundred ninety-eight thousand, seven hundred twenty".