380835640 has 16 divisors (see below), whose sum is σ = 856880280. Its totient is φ = 152334240.

The previous prime is 380835629. The next prime is 380835641. The reversal of 380835640 is 46538083.

It is a self number, because there is not a number n which added to its sum of digits gives 380835640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380835641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760406 + ... + 4760485.

Almost surely, 2^380835640 is an apocalyptic number.

It is an amenable number.

380835640 is an abundant number, since it is smaller than the sum of its proper divisors (476044640).

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

380835640 is a wasteful number, since it uses less digits than its factorization.

380835640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520902 (or 9520898 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 380835640 is about 19515.0106328436. The cubic root of 380835640 is about 724.8461917081.

The spelling of 380835640 in words is "three hundred eighty million, eight hundred thirty-five thousand, six hundred forty".