354351820 has 24 divisors (see below), whose sum is σ = 761446224. Its totient is φ = 138444096.

The previous prime is 354351797. The next prime is 354351853. The reversal of 354351820 is 28153453.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205159 + ... + 206878.

It is an arithmetic number, because the mean of its divisors is an integer number (31726926).

Almost surely, 2^354351820 is an apocalyptic number.

It is an amenable number.

354351820 is an abundant number, since it is smaller than the sum of its proper divisors (407094404).

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

354351820 is a wasteful number, since it uses less digits than its factorization.

354351820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412089 (or 412087 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 354351820 is about 18824.2349114114. The cubic root of 354351820 is about 707.6386672724.

The spelling of 354351820 in words is "three hundred fifty-four million, three hundred fifty-one thousand, eight hundred twenty".