543690434 has 32 divisors (see below), whose sum is σ = 1014940800. Its totient is φ = 213131520.

The previous prime is 543690401. The next prime is 543690437. The reversal of 543690434 is 434096345.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (543690437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27527 + ... + 42954.

It is an arithmetic number, because the mean of its divisors is an integer number (31716900).

Almost surely, 2^543690434 is an apocalyptic number.

543690434 is a deficient number, since it is larger than the sum of its proper divisors (471250366).

543690434 is a wasteful number, since it uses less digits than its factorization.

543690434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70538.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 543690434 is about 23317.1703686361. The cubic root of 543690434 is about 816.1761452126.

The spelling of 543690434 in words is "five hundred forty-three million, six hundred ninety thousand, four hundred thirty-four".