350663820 has 48 divisors (see below), whose sum is σ = 1057388640. Its totient is φ = 86317056.

The previous prime is 350663801. The next prime is 350663861. The reversal of 350663820 is 28366053.

It is a super-2 number, since 2×350663820² = 245930229313984800, which contains 22 as substring.

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, 224005 + ... + 225564.

It is an arithmetic number, because the mean of its divisors is an integer number (22028930).

Almost surely, 2^350663820 is an apocalyptic number.

350663820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

350663820 is an abundant number, since it is smaller than the sum of its proper divisors (706724820).

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

350663820 is a wasteful number, since it uses less digits than its factorization.

350663820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449594 (or 449592 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 350663820 is about 18726.0198654172. The cubic root of 350663820 is about 705.1751287678.

The spelling of 350663820 in words is "three hundred fifty million, six hundred sixty-three thousand, eight hundred twenty".