380535816 has 16 divisors (see below), whose sum is σ = 951339600. Its totient is φ = 126845264.

The previous prime is 380535797. The next prime is 380535847. The reversal of 380535816 is 618535083.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7927806 + ... + 7927853.

It is an arithmetic number, because the mean of its divisors is an integer number (59458725).

Almost surely, 2^380535816 is an apocalyptic number.

It is an amenable number.

380535816 is an abundant number, since it is smaller than the sum of its proper divisors (570803784).

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

380535816 is a wasteful number, since it uses less digits than its factorization.

380535816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15855668 (or 15855664 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 380535816 is about 19507.3272387583. The cubic root of 380535816 is about 724.6559229772.

It can be divided in two parts, 3805 and 35816, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 380535816 in words is "three hundred eighty million, five hundred thirty-five thousand, eight hundred sixteen".