534389490 has 96 divisors (see below), whose sum is σ = 1438937136. Its totient is φ = 137502720.

The previous prime is 534389447. The next prime is 534389519. The reversal of 534389490 is 94983435.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 179104689 + 355284801 = 13383^2 + 18849^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 357184 + ... + 358676.

Almost surely, 2^534389490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534389490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719468568).

534389490 is an abundant number, since it is smaller than the sum of its proper divisors (904547646).

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

534389490 is a wasteful number, since it uses less digits than its factorization.

534389490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 534389490 is about 23116.8659207947. The cubic root of 534389490 is about 811.4952262877.

The spelling of 534389490 in words is "five hundred thirty-four million, three hundred eighty-nine thousand, four hundred ninety".