538209476 has 48 divisors (see below), whose sum is σ = 1159495680. Its totient is φ = 213507360.

The previous prime is 538209467. The next prime is 538209487. The reversal of 538209476 is 674902835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6485 + ... + 33443.

It is an arithmetic number, because the mean of its divisors is an integer number (24156160).

Almost surely, 2^538209476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538209476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579747840).

538209476 is an abundant number, since it is smaller than the sum of its proper divisors (621286204).

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

538209476 is a wasteful number, since it uses less digits than its factorization.

538209476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27024 (or 27022 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 538209476 is about 23199.3421458454. The cubic root of 538209476 is about 813.4242457874.

The spelling of 538209476 in words is "five hundred thirty-eight million, two hundred nine thousand, four hundred seventy-six".