2387638546 has 4 divisors (see below), whose sum is σ = 3581457822. Its totient is φ = 1193819272.

The previous prime is 2387638489. The next prime is 2387638549. The reversal of 2387638546 is 6458367832.

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

It can be written as a sum of positive squares in only one way, i.e., 2130837921 + 256800625 = 46161^2 + 16025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2387638493 and 2387638502.

It is not an unprimeable number, because it can be changed into a prime (2387638549) 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 as a sum of consecutive naturals, namely, 596909635 + ... + 596909638.

Almost surely, 2^2387638546 is an apocalyptic number.

2387638546 is a deficient number, since it is larger than the sum of its proper divisors (1193819276).

2387638546 is a wasteful number, since it uses less digits than its factorization.

2387638546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193819275.

The product of its digits is 5806080, while the sum is 52.

The square root of 2387638546 is about 48863.4684196691. The cubic root of 2387638546 is about 1336.5632855025.

The spelling of 2387638546 in words is "two billion, three hundred eighty-seven million, six hundred thirty-eight thousand, five hundred forty-six".