380733953 has 4 divisors (see below), whose sum is σ = 393862740. Its totient is φ = 367605168.

The previous prime is 380733929. The next prime is 380734049. The reversal of 380733953 is 359337083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359337083 = 7 ⋅51333869.

It can be written as a sum of positive squares in 2 ways, for example, as 285339664 + 95394289 = 16892^2 + 9767^2 .

It is a cyclic number.

It is not a de Polignac number, because 380733953 - 2²⁰ = 379685377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380733953.

It is not an unprimeable number, because it can be changed into a prime (380733923) 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 3 ways as a sum of consecutive naturals, for example, 6564350 + ... + 6564407.

It is an arithmetic number, because the mean of its divisors is an integer number (98465685).

Almost surely, 2^380733953 is an apocalyptic number.

It is an amenable number.

380733953 is a deficient number, since it is larger than the sum of its proper divisors (13128787).

380733953 is a wasteful number, since it uses less digits than its factorization.

380733953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128786.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 380733953 is about 19512.4051054707. The cubic root of 380733953 is about 724.7816721900.

The spelling of 380733953 in words is "three hundred eighty million, seven hundred thirty-three thousand, nine hundred fifty-three".