538272446 has 4 divisors (see below), whose sum is σ = 807408672. Its totient is φ = 269136222.

The previous prime is 538272433. The next prime is 538272457. The reversal of 538272446 is 644272835.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×538272446² = 579474452245645832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134568110 + ... + 134568113.

It is an arithmetic number, because the mean of its divisors is an integer number (201852168).

Almost surely, 2^538272446 is an apocalyptic number.

538272446 is a deficient number, since it is larger than the sum of its proper divisors (269136226).

538272446 is a wasteful number, since it uses less digits than its factorization.

538272446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269136225.

The product of its digits is 322560, while the sum is 41.

The square root of 538272446 is about 23200.6992567034. The cubic root of 538272446 is about 813.4559678396.

The spelling of 538272446 in words is "five hundred thirty-eight million, two hundred seventy-two thousand, four hundred forty-six".