543869420 has 24 divisors (see below), whose sum is σ = 1142975904. Its totient is φ = 217385856.

The previous prime is 543869419. The next prime is 543869429. The reversal of 543869420 is 24968345.

It is a super-2 number, since 2×543869420² = 591587892022272800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (543869429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19544 + ... + 38336.

It is an arithmetic number, because the mean of its divisors is an integer number (47623996).

Almost surely, 2^543869420 is an apocalyptic number.

It is an amenable number.

543869420 is an abundant number, since it is smaller than the sum of its proper divisors (599106484).

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

543869420 is a wasteful number, since it uses less digits than its factorization.

543869420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20249 (or 20247 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 543869420 is about 23321.0081257222. The cubic root of 543869420 is about 816.2656986710.

The spelling of 543869420 in words is "five hundred forty-three million, eight hundred sixty-nine thousand, four hundred twenty".