534666390 has 16 divisors (see below), whose sum is σ = 1283199408. Its totient is φ = 142577696.

The previous prime is 534666389. The next prime is 534666397. The reversal of 534666390 is 93666435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534666397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911077 + ... + 8911136.

It is an arithmetic number, because the mean of its divisors is an integer number (80199963).

Almost surely, 2^534666390 is an apocalyptic number.

534666390 is an abundant number, since it is smaller than the sum of its proper divisors (748533018).

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

534666390 is a wasteful number, since it uses less digits than its factorization.

534666390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822223.

The product of its (nonzero) digits is 349920, while the sum is 42.

The square root of 534666390 is about 23122.8542788299. The cubic root of 534666390 is about 811.6353639169.

The spelling of 534666390 in words is "five hundred thirty-four million, six hundred sixty-six thousand, three hundred ninety".