2387945 has 8 divisors (see below), whose sum is σ = 3274944. Its totient is φ = 1637424.

The previous prime is 2387941. The next prime is 2387951. The reversal of 2387945 is 5497832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2387945 - 2² = 2387941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2387899 and 2387908.

It is not an unprimeable number, because it can be changed into a prime (2387941) 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 7 ways as a sum of consecutive naturals, for example, 34079 + ... + 34148.

It is an arithmetic number, because the mean of its divisors is an integer number (409368).

2^2387945 is an apocalyptic number.

It is an amenable number.

2387945 is a deficient number, since it is larger than the sum of its proper divisors (886999).

2387945 is an equidigital number, since it uses as much as digits as its factorization.

2387945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68239.

The product of its digits is 60480, while the sum is 38.

The square root of 2387945 is about 1545.2977059454. The cubic root of 2387945 is about 133.6620465799.

The spelling of 2387945 in words is "two million, three hundred eighty-seven thousand, nine hundred forty-five".