380407687 has 4 divisors (see below), whose sum is σ = 414990216. Its totient is φ = 345825160.

The previous prime is 380407681. The next prime is 380407723. The reversal of 380407687 is 786704083.

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

It is a cyclic number.

It is not a de Polignac number, because 380407687 - 2³ = 380407679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380407681) 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, 17291248 + ... + 17291269.

It is an arithmetic number, because the mean of its divisors is an integer number (103747554).

Almost surely, 2^380407687 is an apocalyptic number.

380407687 is a deficient number, since it is larger than the sum of its proper divisors (34582529).

380407687 is a wasteful number, since it uses less digits than its factorization.

380407687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34582528.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 380407687 is about 19504.0428373197. The cubic root of 380407687 is about 724.5745816528.

The spelling of 380407687 in words is "three hundred eighty million, four hundred seven thousand, six hundred eighty-seven".