380721332 has 24 divisors (see below), whose sum is σ = 675555552. Its totient is φ = 187714400.

The previous prime is 380721329. The next prime is 380721337. The reversal of 380721332 is 233127083.

It is a junction number, because it is equal to n+sod(n) for n = 380721295 and 380721304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380721337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321782 + ... + 322962.

It is an arithmetic number, because the mean of its divisors is an integer number (28148148).

Almost surely, 2^380721332 is an apocalyptic number.

It is an amenable number.

380721332 is a deficient number, since it is larger than the sum of its proper divisors (294834220).

380721332 is a wasteful number, since it uses less digits than its factorization.

380721332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 380721332 is about 19512.0816931459. The cubic root of 380721332 is about 724.7736634738.

The spelling of 380721332 in words is "three hundred eighty million, seven hundred twenty-one thousand, three hundred thirty-two".