380856724 has 18 divisors (see below), whose sum is σ = 696741290. Its totient is φ = 182147856.

The previous prime is 380856703. The next prime is 380856727. The reversal of 380856724 is 427658083.

It can be written as a sum of positive squares in only one way, i.e., 321843600 + 59013124 = 17940^2 + 7682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380856727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87879 + ... + 92110.

Almost surely, 2^380856724 is an apocalyptic number.

It is an amenable number.

380856724 is a deficient number, since it is larger than the sum of its proper divisors (315884566).

380856724 is a wasteful number, since it uses less digits than its factorization.

380856724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180039 (or 180014 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 380856724 is about 19515.5508249191. The cubic root of 380856724 is about 724.8595678853.

The spelling of 380856724 in words is "three hundred eighty million, eight hundred fifty-six thousand, seven hundred twenty-four".