2379645 has 16 divisors (see below), whose sum is σ = 4230720. Its totient is φ = 1269072.

The previous prime is 2379631. The next prime is 2379659. The reversal of 2379645 is 5469732.

2379645 is a `hidden beast` number, since 2 + 3 + 7 + 9 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (2379631) and next prime (2379659).

It is not a de Polignac number, because 2379645 - 2⁵ = 2379613 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8679 + ... + 8948.

It is an arithmetic number, because the mean of its divisors is an integer number (264420).

2^2379645 is an apocalyptic number.

It is an amenable number.

2379645 is a deficient number, since it is larger than the sum of its proper divisors (1851075).

2379645 is a wasteful number, since it uses less digits than its factorization.

2379645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17641 (or 17635 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 2379645 is about 1542.6098016025. The cubic root of 2379645 is about 133.5070063234.

The spelling of 2379645 in words is "two million, three hundred seventy-nine thousand, six hundred forty-five".