538902649 has 8 divisors (see below), whose sum is σ = 550408320. Its totient is φ = 527516496.

The previous prime is 538902607. The next prime is 538902659. The reversal of 538902649 is 946209835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538902649 - 2⁹ = 538902137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538902599 and 538902608.

It is not an unprimeable number, because it can be changed into a prime (538902659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20737 + ... + 38830.

It is an arithmetic number, because the mean of its divisors is an integer number (68801040).

Almost surely, 2^538902649 is an apocalyptic number.

It is an amenable number.

538902649 is a deficient number, since it is larger than the sum of its proper divisors (11505671).

538902649 is a wasteful number, since it uses less digits than its factorization.

538902649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59759.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 538902649 is about 23214.2768356027. The cubic root of 538902649 is about 813.7733055619.

The spelling of 538902649 in words is "five hundred thirty-eight million, nine hundred two thousand, six hundred forty-nine".