380455953 has 4 divisors (see below), whose sum is σ = 507274608. Its totient is φ = 253637300.

The previous prime is 380455939. The next prime is 380455969. The reversal of 380455953 is 359554083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 380455953 - 2⁸ = 380455697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380455973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63409323 + ... + 63409328.

It is an arithmetic number, because the mean of its divisors is an integer number (126818652).

Almost surely, 2^380455953 is an apocalyptic number.

It is an amenable number.

380455953 is a deficient number, since it is larger than the sum of its proper divisors (126818655).

380455953 is a wasteful number, since it uses less digits than its factorization.

380455953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126818654.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 380455953 is about 19505.2801312875. The cubic root of 380455953 is about 724.6052249503.

The spelling of 380455953 in words is "three hundred eighty million, four hundred fifty-five thousand, nine hundred fifty-three".