4623945 has 8 divisors (see below), whose sum is σ = 7398336. Its totient is φ = 2466096.

The previous prime is 4623911. The next prime is 4623953. The reversal of 4623945 is 5493264.

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

It is not a de Polignac number, because 4623945 - 2¹³ = 4615753 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 6⁷ + 2¹³ + 3⁵ + 9⁵ + 4¹¹ + 5⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154117 + ... + 154146.

It is an arithmetic number, because the mean of its divisors is an integer number (924792).

Almost surely, 2^4623945 is an apocalyptic number.

It is an amenable number.

4623945 is a deficient number, since it is larger than the sum of its proper divisors (2774391).

4623945 is a wasteful number, since it uses less digits than its factorization.

4623945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308271.

The product of its digits is 25920, while the sum is 33.

The square root of 4623945 is about 2150.3360202536. The cubic root of 4623945 is about 166.5984231719.

The spelling of 4623945 in words is "four million, six hundred twenty-three thousand, nine hundred forty-five".