380591249 has 4 divisors (see below), whose sum is σ = 380797620. Its totient is φ = 380384880.

The previous prime is 380591243. The next prime is 380591279. The reversal of 380591249 is 942195083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 376360000 = 2057^2 + 19400^2 .

It is a cyclic number.

It is not a de Polignac number, because 380591249 - 2²⁰ = 379542673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380591243) 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, 100394 + ... + 104115.

It is an arithmetic number, because the mean of its divisors is an integer number (95199405).

Almost surely, 2^380591249 is an apocalyptic number.

It is an amenable number.

380591249 is a deficient number, since it is larger than the sum of its proper divisors (206371).

380591249 is a wasteful number, since it uses less digits than its factorization.

380591249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206370.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 380591249 is about 19508.7480121098. The cubic root of 380591249 is about 724.6911083656.

The spelling of 380591249 in words is "three hundred eighty million, five hundred ninety-one thousand, two hundred forty-nine".