380609892 has 36 divisors (see below), whose sum is σ = 1036105980. Its totient is φ = 117110592.

The previous prime is 380609869. The next prime is 380609897. The reversal of 380609892 is 298906083.

380609892 is a `hidden beast` number, since 38 + 0 + 609 + 8 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 152176896 + 228432996 = 12336^2 + 15114^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (380609897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406167 + ... + 407102.

Almost surely, 2^380609892 is an apocalyptic number.

It is an amenable number.

380609892 is an abundant number, since it is smaller than the sum of its proper divisors (655496088).

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

380609892 is a wasteful number, since it uses less digits than its factorization.

380609892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813292 (or 813287 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 380609892 is about 19509.2258175459. The cubic root of 380609892 is about 724.7029410038.

It can be divided in two parts, 380609 and 892, that added together give a triangular number (381501 = T₈₇₃).

The spelling of 380609892 in words is "three hundred eighty million, six hundred nine thousand, eight hundred ninety-two".