380404770 has 64 divisors (see below), whose sum is σ = 949173120. Its totient is φ = 97486848.

The previous prime is 380404747. The next prime is 380404771. The reversal of 380404770 is 77404083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (380404771) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 90066 + ... + 94194.

It is an arithmetic number, because the mean of its divisors is an integer number (14830830).

Almost surely, 2^380404770 is an apocalyptic number.

380404770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 380404770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474586560).

380404770 is an abundant number, since it is smaller than the sum of its proper divisors (568768350).

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

380404770 is a wasteful number, since it uses less digits than its factorization.

380404770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 380404770 is about 19503.9680578081. The cubic root of 380404770 is about 724.5727296140.

The spelling of 380404770 in words is "three hundred eighty million, four hundred four thousand, seven hundred seventy".