381850572 has 18 divisors (see below), whose sum is σ = 891142644. Its totient is φ = 127260960.

The previous prime is 381850571. The next prime is 381850633. The reversal of 381850572 is 275058183.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 381850572.

It is not an unprimeable number, because it can be changed into a prime (381850571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64872 + ... + 70512.

Almost surely, 2^381850572 is an apocalyptic number.

It is an amenable number.

381850572 is an abundant number, since it is smaller than the sum of its proper divisors (509292072).

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

381850572 is an frugal number, since it uses more digits than its factorization.

381850572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289 (or 5646 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 381850572 is about 19540.9972109921. The cubic root of 381850572 is about 725.4895287636.

The spelling of 381850572 in words is "three hundred eighty-one million, eight hundred fifty thousand, five hundred seventy-two".