380800457 has 4 divisors (see below), whose sum is σ = 381036996. Its totient is φ = 380563920.

The previous prime is 380800429. The next prime is 380800499. The reversal of 380800457 is 754008083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754008083 = 4201 ⋅179483.

It can be written as a sum of positive squares in 2 ways, for example, as 321879481 + 58920976 = 17941^2 + 7676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380800457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380800957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115838 + ... + 119079.

It is an arithmetic number, because the mean of its divisors is an integer number (95259249).

Almost surely, 2^380800457 is an apocalyptic number.

It is an amenable number.

380800457 is a deficient number, since it is larger than the sum of its proper divisors (236539).

380800457 is a wasteful number, since it uses less digits than its factorization.

380800457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236538.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 380800457 is about 19514.1091777206. The cubic root of 380800457 is about 724.8238696998.

The spelling of 380800457 in words is "three hundred eighty million, eight hundred thousand, four hundred fifty-seven".