380650666 has 16 divisors (see below), whose sum is σ = 627369120. Its totient is φ = 171776880.

The previous prime is 380650631. The next prime is 380650679. The reversal of 380650666 is 666056083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59181 + ... + 65296.

It is an arithmetic number, because the mean of its divisors is an integer number (39210570).

Almost surely, 2^380650666 is an apocalyptic number.

380650666 is a deficient number, since it is larger than the sum of its proper divisors (246718454).

380650666 is a wasteful number, since it uses less digits than its factorization.

380650666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124629.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 380650666 is about 19510.2707823341. The cubic root of 380650666 is about 724.7288187536.

The spelling of 380650666 in words is "three hundred eighty million, six hundred fifty thousand, six hundred sixty-six".