354543420 has 288 divisors, whose sum is σ = 1328382720. Its totient is φ = 69672960.

The previous prime is 354543403. The next prime is 354543437. The reversal of 354543420 is 24345453.

It is an interprime number because it is at equal distance from previous prime (354543403) and next prime (354543437).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 614172 + ... + 614748.

It is an arithmetic number, because the mean of its divisors is an integer number (4612440).

Almost surely, 2^354543420 is an apocalyptic number.

354543420 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 354543420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664191360).

354543420 is an abundant number, since it is smaller than the sum of its proper divisors (973839300).

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

354543420 is a wasteful number, since it uses less digits than its factorization.

354543420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 354543420 is about 18829.3234079188. The cubic root of 354543420 is about 707.7661856796.

Adding to 354543420 its reverse (24345453), we get a palindrome (378888873).

The spelling of 354543420 in words is "three hundred fifty-four million, five hundred forty-three thousand, four hundred twenty".