350209860 has 480 divisors, whose sum is σ = 1422997632. Its totient is φ = 63221760.

The previous prime is 350209859. The next prime is 350209861. The reversal of 350209860 is 68902053.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (350209859) and next prime (350209861).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 1547 × 147 × 1540.

It is not an unprimeable number, because it can be changed into a prime (350209861) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 20600572 + ... + 20600588.

Almost surely, 2^350209860 is an apocalyptic number.

350209860 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 350209860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711498816).

350209860 is an abundant number, since it is smaller than the sum of its proper divisors (1072787772).

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

350209860 is a wasteful number, since it uses less digits than its factorization.

350209860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 350209860 is about 18713.8948377937. The cubic root of 350209860 is about 704.8706970749.

The spelling of 350209860 in words is "three hundred fifty million, two hundred nine thousand, eight hundred sixty".