380641892 has 6 divisors (see below), whose sum is σ = 666123318. Its totient is φ = 190320944.

The previous prime is 380641879. The next prime is 380641897. The reversal of 380641892 is 298146083.

It can be written as a sum of positive squares in only one way, i.e., 279357796 + 101284096 = 16714^2 + 10064^2 .

It is not an unprimeable number, because it can be changed into a prime (380641897) 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 as a sum of consecutive naturals, namely, 47580233 + ... + 47580240.

It is an arithmetic number, because the mean of its divisors is an integer number (111020553).

Almost surely, 2^380641892 is an apocalyptic number.

It is an amenable number.

380641892 is a deficient number, since it is larger than the sum of its proper divisors (285481426).

380641892 is a wasteful number, since it uses less digits than its factorization.

380641892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95160477 (or 95160475 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 380641892 is about 19510.0459251125. The cubic root of 380641892 is about 724.7232503763.

The spelling of 380641892 in words is "three hundred eighty million, six hundred forty-one thousand, eight hundred ninety-two".